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|Born||July 5, 1975|
|Height||1.63 m (5 ft 4 in)|
|Plays||Right-handed (two-handed backhand)|
|Career titles||6 WTA, 1 ITF|
|Highest ranking||No. 8 (February 9, 2004)|
|Grand Slam Singles results|
|Australian Open||QF (2000)|
|French Open||4R (1995, 2000, 2003)|
|US Open||4R (2003, 2004)|
|Tour Finals||RR (2003)|
|Olympic Games||QF (2004)|
|Career titles||38 WTA, 4 ITF|
|Highest ranking||No. 1 (October 23, 2000)|
|Grand Slam Doubles results|
|Australian Open||F (2009)|
|French Open||W (2003)|
|US Open||W (2000)|
|Other doubles tournaments|
|Tour Finals||F (2003, 2007)|
|Olympic Games||SF – 4th (2004)|
|Grand Slam Mixed Doubles results|
|Australian Open||2R (1999, 2001, 2003, 2006)|
|French Open||SF (2000)|
|US Open||W (1999)|
Ai Sugiyama (杉山愛, Sugiyama Ai, born July 5, 1975) is a Japanese former professional tennis player. She reached the world No. 1 ranking in women's doubles on the WTA Tour and had a career-high singles ranking of world No. 8, achieved on February 9, 2004. In her career, she won six singles and 37 doubles titles, including three Grand Slam titles (one with Frenchwoman Julie Halard-Decugis and two partnering Belgian Kim Clijsters) and one Grand Slam mixed doubles title (partnering Indian Mahesh Bhupathi). Sugiyama held the all-time record, for both male and female players, for her 62 consecutive Grand Slam main draw appearances, until she was surpassed by Roger Federer at the 2015 Wimbledon Championships.
In 1993, at age 17, Sugiyama played tennis legend Martina Navratilova in her native city, losing in three sets. The same year, she made her Grand Slam debut at Wimbledon but lost in the first round to world No. 30 Gigi Fernández in three sets. In 1994, Sugiyama again reached the main draw at Wimbledon but lost to world No. 6 and compatriot Kimiko Date. Later that year she reached her first singles final in Surabaya but was forced to retire against Elena Wagner. She went on to win the Japan Open doubles at Tokyo, her first tour title. Later that year, she broke into the WTA top 100. In 1995, she won her first Grand Slam match and reached the fourth round of Roland Garros. In the first round, the Japanese player defeated 15th-seeded Grand Slam runner-up and former top-5 player Helena Suková by 9–7 in the final set, her first victory over a top-20 player. Two months after, she defeated Amanda Coetzer to reach the third round, while losing to world No. 4 and former Wimbledon champion, Conchita Martínez. In November, she made an impressive run at the Oakland Tier-II tournament. While she was only ranked 63, she defeated 22nd-ranked Irina Spîrlea, former Wimbledon runner-up Zina Garrison Jackson, and No. 10, Lindsay Davenport to reach the second final of her career, where she lost to No. 7, Magdalena Maleeva. Because of this, Sugiyama broke into the top 50.
In 1996, she reached the third round at the Australian Open. In Miami, seeded 23rd, Sugiyama reached the fourth round, defeating No. 10, Jana Novotná, her second top-10 victory. That moved her into the top 30. She also reached the semifinals of the Japan Open in Tokyo and the fourth round at Wimbledon, where she defeated No. 5, Anke Huber, her third top-10 and first top-5 victory. She represented Japan and reached the third round at the Atlanta Olympics defeating Martina Hingis.
In 1997, Sugiyama began her season by playing her third finals match, losing to Elena Likhovtseva, after defeating Sabine Appelmans in the quarterfinal. The following week she reached the second round at the Australian Open. In April, she won her first professional title at the Japan Open in Tokyo against Amy Frazier. However, she could not reach a good result in Grand Slam events, with a second-round exit at the French Open and US Open and a first round loss at Wimbledon. At the end of the year, she reached her first Tier-I final at the Kremlin Cup in Moscow, defeating Natasha Zvereva, No. 14 Brenda Schultz-McCarthy, No. 9 and multi-Grand Slam events winner Arantxa Sánchez Vicario, Dominique Van Roost before failing in the final against 1st seed and 2nd-ranked Jana Novotná.
In 1998, she opened with a second singles title in Gold Coast. Then she broke into the WTA top 20 and reached another semifinal in Sydney, defeating Conchita Martínez. Throughout that year, Sugiyama showed consistency: a third WTA Tour title at the Japan Open, quarterfinals in Tokyo (Pan Pacific), Berlin, defeating No. 4, Amanda Coetzer, playing Strasbourg and San Diego, defeating Steffi Graf, Luxembourg, third round in Indian Wells, Miami and Montreal and second round at both French and US Open. In 1999, she reached the final at the Japan Open, the semifinals in Gold Coast and Tokyo (Princess Cup) defeating No. 8, Julie Halard-Decugis, the quarterfinals in Strasbourg and Moscow, defeating No. 6, Mary Pierce, 3rd in Indian Wells, Montreal, defeating No. 7, Jana Novotná, and at the US Open. She also reached the second round at the French Open and Wimbledon. The same year, Sugiyama won the US Open mixed doubles with Mahesh Bhupathi, her first Grand Slam title.
In 1999, Sugiyama received the WTA Sportsmanship Award.
On July 10, Sugiyama reached the final of the women's doubles at Wimbledon, partnered by Julie Halard-Decugis, but lost in straight sets to sisters Venus and Serena Williams 3���6, 2–6 after a one-day rain delay. On September 10, Sugiyama won the women's doubles at the US Open, defeating Cara Black of Zimbabwe and Russian Elena Likhovtseva 6–0, 1–6, 6–1 in one hour and 19 minutes. On October 23, she became the first Japanese woman to rank No. 1 in the world in doubles, winning seven titles in the process.
Her greatest success was Scottsdale 2003. Beating Lindsay Davenport in the second round, she went on to defeat Eleni Daniilidou to progress to the semifinals. Scheduling problems forced both the semifinals and finals matches - for both singles and doubles - to be played on the Sunday of the tournament. Thus in a single day, Sugiyama managed to save a matchpoint in the semifinals against Alexandra Stevenson, rally from a set down to defeat doubles partner Kim Clijsters in the final, and then secure victories in both doubles matches to raise both trophies. The year 2003 proved to be her best year ever, pushing Serena Williams to the limit at Roland Garros and reaching the round of 16 in Wimbledon and US Open where her fourth round loss to Francesca Schiavone at Flushing Meadows was rather controversial. She finished the year ranked 10th, having defeated world No. 1, Justine Henin, in the round robin section of the season-ending championships. She also won a total of eight doubles titles that year, seven with Kim Clijsters (Sydney, Antwerp, Scottsdale, Roland Garros, Wimbledon, San Diego, Zurich) and one with Liezel Huber (Linz).
Sugiyama began 2005 with four consecutive first-round losses. She lost in the first rounds of the first three Grand Slams; only at San Diego did she really do well, making it to the final, which she lost 0–6, 3–6 to Mary Pierce, having defeated Daniela Hantuchová, Sesil Karantacheva and Svetlana Kuznetsova en route. Sugiyama also reached the final in doubles with Hantuchová, losing to Virginia Ruano-Pascual and Conchita Martínez. She broke her Grand Slam "curse", reaching the third round before losing to Clijsters, the eventual champion.
That year, Ai had better results in doubles than in singles. Partnering with Elena Dementieva, she reached the finals of her first tournament, Sydney, losing to Bryanne Stewart/Samantha Stosur. They reached the round of 16 at the Australian Open. She entered a few tournaments with Anastasia Myskina and Elena Likhovtseva, but with poor results. In Berlin, she played again with Daniela Hantuchová, reaching the semifinal, losing to Black and Huber. At the French, they lost to Birnerová and Vanc in the second round. They won their next tournament, in Birmingham over Daniilidou and Russel 6–2, 6–3. At Wimbledon, Hantuchová and Sugiyama reached the quarterfinal, losing to eventual champions Black and Huber. At the Canadian Open in Toronto, they lost the semifinal to eventual champions Grönefeld and Navratilova. At the US Open, they reached the third round, losing to Yan Zi and Zheng Jie. She tried three partners in the next tournaments, before returning to Daniela in Zurich, where they reached the finals (beating top seeds Lisa Raymond and Stosur en route), losing a close match to Black and Rennae Stubbs, 7–6, 6–7, 3–6. They finished the year ranked No. 5, failing to qualify for the year-end championships.
Sugiyama played mixed doubles at two events: the French & the US Open. At Roland Garros, playing with Mirnyi, she lost in the first round. At the US Open, she partnered with Ullyett. The duo reached the quarterfinals, losing to eventual champions Hantuchová and Bhupathi. Entering the Doha with an 0–5 singles record, she managed to beat wildcard Selima Sfar 6–3, 6–3. In the second round, she surprisingly upset Myskina 7–6, 6–7, 6–4, needing several match points to close the match out. In her quarterfinal match against Julia Schruff, she had a comfortable 6–3, 6–2 win. She lost in the semifinal, in an epic match against Nadia Petrova, 1–6, 6–7. At 0–4 in the second, she won five consecutive games to 5–4. She won the doubles title with Hantuchová, defeating Yan and Zheng in the semifinal 6–3, 3–6, 6–3, and Li Ting and Sun Tiantian 6–4, 6–4 in the final.
In Rome, she and Hantuchová won the title, their third as a team and biggest title, beating Li and Sun 6–4, 6–1; Black and Stubbs (No. 2) 6–4, 6–0, and Květa Peschke and Schiavone (No. 8) 3–6, 6–3, 6–1.
At the French Open, 22nd seeded Ai beat Daniilidou 6–7, 6–0, 6–3 in the first round, but lost to French qualifier Aravane Rezaï 6–4, 4–6, 3–6. Deciding not to compete in the mixed, Ai and Daniella beat Caroline Dhenin and Mathilde Johansson 6–4, 6–3, then squashed Sofia Arvidsson and Martina Müller 6–1, 6–1; they escaped from Marion Bartoli and Shahar Pe'er, 1–6, 7–6, 6–2. In the quarterfinals, they beat second-seeded Black and Stubbs 6–1, 7–6. In the semifinals, they beat 4th-seeded Yan and Zheng 6–3, 3–6, 6–3. They lost 3–6, 2–6 in the final to top-seeded Raymond and Stosur.
Wimbledon saw Sugiyama, the 18th seed, defeat 12th seed Martina Hingis 7–5, 3–6, 6–4 to advance to the fourth round.
The summer brought several bad singles losses, as well as doubles upsets. Sugiyama reached the final in Los Angeles, bowing to Ruano Pascual and Paola Suárez. In Montréal, she beat Aleksandra Wozniak and Anabel Medina Garrigues before losing to Kuznetsova. In doubles, partnering with Nathalie Dechy, they reached the quarterfinals.
In Beijing, she beat qualifier Alicia Molik, who was also her doubles partner in the event, in the first round, 6–2, 7–6. She then upset fourth-seeded Nicole Vaidišová 6–4, 1–6, 6–3 before losing to Peng Shuai in another three-set match 7–6, 3–6, 2–6. She reached the final of a Tier-IV event in Seoul, losing to Eleni Daniilidou of Greece in three sets, 3–6, 6–2, 6–7.
The beginning of 2007 was better than the prior two years. She lost to Anastasiya Yakimova in the second round of the Australian Open (10–8 in the third), before beating her in Miami. Sugiyama and Daniela Hantuchová reached the quarterfinals, losing to eventual champions Black and Huber. In Tokyo, she reached the quarterfinals, losing to No. 1, Maria Sharapova, 6–4, 1–6, 0–6. In Doha, she injured her toe, but recovered to reach the round of 16 in Indian Wells.
In Miami, she fell to Dinara Safina in the third. She went 0–3 in Fed Cup play versus France, losing to both Tatiana Golovin and Dechy, but rebounded to win 50k Gifu with Ayumi Morita. The Japanese duo lost only one set en route to the title. She played in Berlin with Katarina Srebotnik. They swept Lourdes Domínguez Lino and Flavia Pennetta 6–0, 6–0, but then fell to the second seeded Black and Huber 6–0, 4–6, [7–10] the same day.
Her next tournament was Rome, where she beat Maria Kirilenko in 2 hours 49 minutes 6–4, 5–7, 7–5. She lost to Pe'er 0–6, 2–6 in the next round. At Roland Garros, she reached the third round. She defeated Eva Birnerová 6–3, 6–4 in the first round and Meilen Tu 6–3, 1–6, 6–1 in the second round, but then fell to Anna Chakvetadze, the 9th seed, 4–6, 4–6. In doubles, seeded 7th with Srebotnik, she defeated Lucie Hradecká and Renata Voráčová 6–7, 7–5, 6–2 in the first round, Stéphanie Foretz and Camille Pin 6–1, 6–3, and Pe'er and Safina 6–1, 6–2 in the second and third round. They then defeated Maria Elena Camerin and Gisela Dulko 4–6, 7–5, 6–3 in the quarterfinals. They upset top seeds and defending champions Raymond and Stosur in the semifinals, winning 1–6, 6–4, 6–3 to reach the French Open finals. They lost in the final to Alicia Molik and Mara Santangelo 6–7, 4–6.
At Wimbledon, seeded 26th, she beat wildcard Melanie South 6–3, 6–2 and Alizé Cornet 4–6, 6–0, 6–3. She lost 3–6, 3–6 against the second seeded Sharapova in the third round. In doubles, she and Srebotnik beat Andreea Ehritt-Vanc and Anastasia Rodionova 4–6, 6–3, 6–2; Émilie Loit and Nicole Pratt 6–0, 6–3, and got a walkover from Bartoli and Meilen Tu in the third round. In the quarterfinals, they beat Elena Likhovtseva and Sun Tiantian 6–4, 7–6. They came back from 1–6, 0–3 to beat top-seeded Raymond and Stosur, winning 1–6, 6–3, 6–2. They lost in the final to the second seeded Black and Huber 6–3, 3–6, 2–6.
During the US Open Series, she reached the third round of San Diego, where she defeated Sybille Bammer 6–2, 7–6. She then lost to Chakvetadze 4–6, 4–6. She reached two doubles semifinals in San Diego and Stanford with Srebotnik, losing both times to Victoria Azarenka and Chakvetadze. However, they won Toronto, defeating Peng Shuai and Yan 6–1, 7–5 in the quarterfinal, Molik and Santangelo 6–2, 6–3 in the semifinal and Black and Huber 6–4, 2–6, [10–5] in the final, winning their first title as a team.
At the US Open, Sugiyama lost in the second round to Ekaterina Makarova. Ai and Srebotnik impressively defeated Sun Shengnan and Ji Chunmei 6–0, 6–1, and eventually defeated Michaëlla Krajicek and Agnieszka Radwańska 5–7, 6–0, 6–2. The team advanced to the quarterfinals after defeating Loit and Vania King 6–3, 6–2, but lost to eventual champions Dechy and Safina 5–7, 3–6.
Srebotnik and Sugiyama continued their form and thus qualified for the Tour Championships, which were held in Madrid. The team, seeded second, defeated the Taiwanese duo of Chan Yung-jan and Chuang Chia-jung 6–2, 6–2, but lost to Black and Huber in the final 7–5, 3–6, [8–10].
In singles, Sugiyama's season started out badly, as she lost to Azarenka in Gold Coast and Gajdosova in Sydney. However, in Melbourne, her form returned, beating Vera Zvonareva (6–3, 1–1 ret.) in the first round and Tatiana Perebiynis (6–4, 6–4) in the second round, before losing to 12th seed Vaidišová (3–6, 4–6). In doubles, she and Srebotnik lost in straight sets in Sydney to Yan/Zheng, the eventual champions. In Melbourne, they drew the Williams sisters in the second round and lost 2–6, 6–7. Sugiyama's dream of a career slam died.
In doubles, she reached the final in Antwerp with Peschke, as well as the semifinals in Doha and Dubai with Srebotnik.
On March 30 in the third round at the Tier-I event in Miami, she upset 8th seeded Hantuchová 6–4, 6–7, 7–5 in an epic match. She came back after losing a match point in the second set, as well as having served for the match twice in the second set. In the third set, she was down three to none, but still managed to win. It was her first top ten win since Beijing 2006. In the next round, she lost to Zvonareva 2–6, 7–6, 0–6. In doubles, she and Srebotnik won the title, beating Akiko Morigami and Alina Jidkova 6–4, 6–3, Lucie Hradecká and Renata Voráčová 6–4, 6–3, and Davenport and Hantuchová 6–4, 3–6, [10–4]. They earned the title by beating Australian runners-up Azarenka and Pe'er 6–0, 6–3, and No.-1 team Black and Huber 7–5, 4–6, [10–3]. It was their second team title, and Sugiyama's eighth Tier-I title.
Sugiyama broke the record for consecutive slam appearances woman with 57 as of her appearance in the 2008 Wimbledon tournament. Sugiyama made it to the third round of ladies' singles, losing to Alisa Kleybanova of Russia, 4–6, 4–6.
At Stanford, she defeated Alexa Glatch 6–2, 3–6, 7–5, and then crushed world No. 11, Hantuchová, 6–3, 6–1. In the quarterfinals she beat Dominika Cibulková 6–7, 7–6, 6–3, saving three match points in the process.
Ai started with a first-round loss to Stosur, and in the women's doubles a semifinal finish losing to Klaudia Jans and Alicja Rosolska in the Brisbane International partnering Hantuchová. In the Medibank International, Sugiyama made the semifinals eventually losing to Safina 4–6, 6–7(3).
In the 2009 Australian Open, she made the third round losing to Jelena Janković 4–6, 4–6. As the 9th seed in doubles playing with Hantuchová, they beat the No. 1 seeds, Black and Huber, 6–7, 6–3, 7–6. In the third set "Hantuyama" were down 2–5, but rallied to take it to a tie-break, where they saved seven match points to win 12–10. In the semifinals, they beat Dechy and Santangelo 6–4, 6–2 to make it her first women's doubles final there. They were defeated by the Williams in two sets, 6–3, 6–3. A respiratory infection forced her to withdraw from the 2009 Open GDF Suez. Sugiyama entered the Dubai Tennis Championships and lost in the opening round to Bartoli in a tight three-set match 0–6, 6–4, 6–7. Sugiyama and Hantuchová also played doubles but withdrew because of the infection.
At the BNP Paribas Open Sugiyama and Hantuchová were seeded 5th in the women's doubles but lost to the pair Alla Kudryavtseva and Rodionova 4–6, 6–4, [14–16] in the first round. In singles, she lost to qualifier Angela Haynes in the second round 4–6, 5–7.
At the Sony Ericsson open she lost her opening matches in singles and doubles, being beaten in the second round in singles after receiving a bye. Her loss in the doubles event with Hantuchová dropped her doubles ranking to No. 5.
Sugiyama lost four consecutive singles matches in Miami, Stuttgart, Rome, and Madrid. However alongside Hantuchová, Sugiyama made the finals at the Rome Masters where they lost to the No. 7 seeds, Su-Wei Hsieh and Peng. They reached the quarter finals at the Madrid Masters where they lost to Stosur and Stubbs, whom she and Akgul Amanmuradova beat in the finals at Eastbourne, her 38th doubles title.
On June 22, she extended her record of consecutive Grand Slam appearances to 61 at Wimbledon, defeating the seeded Patty Schnyder in straight sets 6–4, 6–4 to break her eleven match losing streak. She lost in the third round to Hantuchová.
In Stanford she lost to Sharapova in three sets 4–6, 7–6, 1–6, saving two match points in the second set. She then lost in the second round in Los Angeles to Radwańska 2–6, 0–6.
Sugiyama retired at the end of the 2009 tennis season after the Toray Pan Pacific Open, held in her native country, Japan. A special ceremony for her was held at center court before the tournament. Ai planned a few months at home before concentrating on teaching youngsters at her tennis academy in Japan.
Grand Slam tournaments
Women's doubles: 10 (3 titles, 7 runner-ups)
|Runner-up||2000||Wimbledon||Grass||Julie Halard|| Serena Williams
|Winner||2000||US Open||Hard||Julie Halard|| Cara Black
|6–0, 1–6, 6–1|
|Runner-up||2001||Wimbledon (2)||Grass||Kim Clijsters|| Lisa Raymond
|Winner||2003||French Open||Clay||Kim Clijsters|| Virginia Ruano Pascual
|6–7(5–7), 6–2, 9–7|
|Winner||2003||Wimbledon||Grass||Kim Clijsters|| Virginia Ruano Pascual
|Runner-up||2004||Wimbledon (3)||Grass||Liezel Huber|| Cara Black
|Runner-up||2006||French Open||Clay||Daniela Hantuchová|| Lisa Raymond
|Runner-up||2007||French Open (2)||Clay||Katarina Srebotnik|| Alicia Molik
|Runner-up||2007||Wimbledon (4)||Grass||Katarina Srebotnik|| Cara Black
|6–3, 3–6, 2–6|
|Runner-up||2009||Australian Open||Hard||Daniela Hantuchová|| Serena Williams
|Winner||1999||US Open||Hard||Mahesh Bhupathi|| Kimberly Po
Doubles: 1 bronze final
|4th place||2004||Athens||Hard||Shinobu Asagoe|| Paola Suárez
Doubles (2 runner-ups)
|Runner-up||2003||Los Angeles||Hard (i)||Kim Clijsters|| Virginia Ruano Pascual
|4–6, 6–3, 3–6|
|Runner-up||2007||Madrid||Hard (i)||Katarina Srebotnik|| Cara Black
|7–5, 3–6, [8–10]|
WTA career finals
Singles (6 titles, 7 runner-ups)
|Runner-up||1.||Jul 1994||Surabaya, Indonesia||Hard||Elena Wagner||6–2, 0–6, ret.|
|Runner-up||2.||Nov 1995||Oakland, United States||Carpet (i)||Magdalena Maleeva||3–6, 4–6|
|Runner-up||3.||Jan 1997||Gold Coast, Australia||Hard||Elena Likhovtseva||6–3, 6–7(7–9), 3–6|
|Winner||1.||Apr 1997||Tokyo, Japan||Hard||Amy Frazier||4–6, 6–4, 6–4|
|Runner-up||4.||Nov 1997||Moscow, Russia||Carpet (i)||Jana Novotná||3–6, 4–6|
|Winner||2.||Jan 1998||Gold Coast, Australia||Hard||María Vento-Kabchi||7–5, 6–0|
|Winner||3.||Apr 1998||Tokyo, Japan||Hard||Corina Morariu||6–3, 6–3|
|Runner-up||5.||Oct 1999||AIG Japan Open||Hard||Amy Frazier||2–6, 2–6|
|Winner||4.||Mar 2003||Scottsdale, U.S.||Hard||Kim Clijsters||3–6, 7–5, 6–4|
|Winner||5.||Oct 2003||Linz, Austria||Hard||Nadia Petrova||7–5, 6–4|
|Winner||6.||Jan 2004||Gold Coast, Australia||Hard||Nadia Petrova||1–6, 6–1, 6–4|
|Runner-up||6.||Aug 2005||Carlsbad, U.S.||Hard||Mary Pierce||0–6, 3–6|
|Runner-up||7.||Oct 2006||Seoul, South Korea||Hard||Eleni Daniilidou||3–6, 6–2, 6–7(3–7)|
|Winner||1.||Apr 1994||Tokyo, Japan||Hard||Mami Donoshiro|| Yayuk Basuki
|Runner-up||1.||Nov 1994||Surabaya, Indonesia||Hard||Kyōko Nagatsuka|| Yayuk Basuki
|Winner||2.||Jan 1995||Hobart, Australia||Hard||Kyōko Nagatsuka|| Manon Bollegraf
|2–6, 6–4, 6–2|
|Runner-up||2.||Apr 1995||Tokyo, Japan||Hard||Kyōko Nagatsuka|| Yuka Yoshida
|7–6, 4–6, 6–7|
|Winner||3.||Apr 1996||Tokyo, Japan||Hard||Kimiko Date|| Amy Frazier
|7–6, 6–7, 6–3|
|Runner-up||3.||May 1997||Strasbourg||Clay||Elena Likhovtseva|| Helena Suková
|Winner||4.||Sep 1997||Tokyo (Princess Cup), Japan||Hard||Monica Seles|| Julie Halard-Decugis
|Winner||5.||Jan 1998||Hope Island, Australia||Hard||Elena Likhovtseva|| Park Sung-hee
|1–6, 6–3, 6–4|
|Winner||6.||Oct 1998||Luxembourg City, Luxembourg||Carpet (i)||Elena Likhovtseva|| Larisa Neiland
|6–7, 6–3, 2–0 ret.|
|Winner||7.||Nov 1998||Leipzig, Germany||Carpet (i)||Elena Likhovtseva|| Manon Bollegraf
|6–3, 6–7, 6–2|
|Winner||8.||Nov 1998||Philadelphia, U.S.||Carpet (i)||Elena Likhovtseva|| Monica Seles
|7–5, 4–6, 6–2|
|Winner||9.||Jan 1999||Sydney, Australia||Hard||Elena Likhovtseva|| Mary Joe Fernández
|6–3, 2–6, 6–0|
|Runner-up||4.||Feb 1999||Paris (GDF), France||Carpet (i)||Elena Likhovtseva|| Irina Spîrlea
|5–7, 6–3, 3–6|
|Winner||10.||May 1999||Strasbourg, France||Clay||Elena Likhovtseva|| Alexandra Fusai
|2–6, 7–6, 6–1|
|Runner-up||5.||Nov 1999||Leipzig, Germany||Carpet (i)||Elena Likhovtseva|| Larisa Neiland
|Winner||11.||Jan 2000||Sydney, Australia||Hard||Julie Halard-Decugis|| Martina Hingis
|Winner||12.||Apr 2000||Miami, U.S.||Hard||Julie Halard-Decugis|| Nicole Arendt
|4–6, 7–5, 6–4|
|Winner||13.||Jun 2000||Eastbourne, U.K.||Grass||Nathalie Tauziat|| Lisa Raymond
|2–6, 6–3, 7–6(7–3)|
|Runner-up||6.||Jul 2000||Wimbledon, UK||Grass||Julie Halard-Decugis|| Serena Williams
|Runner-up||7.||Aug 2000||Montreal, Canada||Hard||Julie Halard-Decugis|| Martina Hingis
|3–6, 6–3, 4–6|
|Winner||14.||Aug 2000||New Haven, U.S.||Hard||Julie Halard-Decugis|| Virginia Ruano Pascual
|6–4, 5–7, 6–2|
|Winner||15.||Sep 2000||New York City, U.S.||Hard||Julie Halard-Decugis|| Cara Black
|6–0, 1–6, 6–1|
|Winner||16.||Oct 2000||Tokyo (Princess Cup), Japan||Hard||Julie Halard-Decugis|| Nana Miyagi
|Runner-up||8.||Oct 2000||Linz, Austria||Carpet (i)||Nathalie Tauziat|| Amélie Mauresmo
|Winner||17.||Oct 2000||Moscow, Russia||Carpet (i)||Julie Halard-Decugis|| Martina Hingis
|4–6, 6–4, 7–6(7–5)|
|Winner||18.||Jan 2001||Canberra, Australia||Hard||Nicole Arendt|| Esmé de Villiers
|Winner||19.||Mar 2001||Indian Wells, U.S.||Hard||Nicole Arendt|| Virginia Ruano Pascual
|Runner-up||9.||Jul 2001||Wimbledon, U.K||Grass||Kim Clijsters|| Lisa Raymond
|Runner-up||10.||Sep 2001||Tokyo (Princess Cup), Japan||Hard||Kim Clijsters|| Cara Black
|Winner||20.||Feb 2002||Memphis, U.S.||Hard||Elena Tatarkova|| Melissa Middleton
|6–4, 2–6, 6–0|
|Runner-up||11.||Aug 2002||San Diego, United States||Hard||Daniela Hantuchová|| Elena Dementieva
|Runner-up||12.||Aug 2002||Los Angeles, United States||Hard||Daniela Hantuchová|| Kim Clijsters
|Runner-up||13.||Aug 2002||Montreal, Canada||Hard||Rika Fujiwara|| Virginia Ruano Pascual
|Runner-up||14.||Sep 2002||Shanghai, China||Hard||Rika Fujiwara|| Anna Kournikova
|Runner-up||15.||Oct 2002||Linz, Austria||Carpet (i)||Rika Fujiwara|| Jelena Dokić
|Winner||21.||Jan 2003||Sydney, Australia||Hard||Kim Clijsters|| Conchita Martínez
|Winner||22.||Feb 2003||Antwerp, Belgium||Carpet (i)||Kim Clijsters|| Nathalie Dechy
|Winner||23.||Mar 2003||Scottsdale, U.S.||Hard||Kim Clijsters|| Lindsay Davenport
|Runner-up||16.||Mar 2003||Indian Wells Open, United States||Hard||Kim Clijsters|| Lindsay Davenport
|6–3, 4–6, 1–6|
|Runner-up||17.||May 2003||German Open, Germany||Clay||Kim Clijsters|| Virginia Ruano Pascual
|3–6, 6–4, 4–6|
|Winner||24.||Jun 2003||Paris, France||Clay||Kim Clijsters|| Virginia Ruano Pascual
|6–7(5), 6–2, 9–7|
|Winner||25.||Jul 2003||Wimbledon, U.K.||Grass||Kim Clijsters|| Virginia Ruano Pascual
|Winner||26.||Aug 2003||San Diego, U.S.||Hard||Kim Clijsters|| Lindsay Davenport
|Runner-up||18.||Sep 2003||Shanghai, China||Hard||Tamarine Tanasugarn|| Émilie Loit
|Winner||27.||Oct 2003||Zürich, Switzerland||Hard (i)||Kim Clijsters|| Virginia Ruano Pascual
|Winner||28.||Oct 2003||Linz, Austria||Hard (i)||Liezel Huber|| Marion Bartoli
Silvia Farina Elia
|Runner-up||19.||Nov 2003||WTA Finals, United States||Hard||Kim Clijsters|| Virginia Ruano Pascual
|4–6, 6–3, 3–6|
|Runner-up||20.||Jul 2004||Wimbledon||Grass||Liezel Huber|| Cara Black
|Winner||29.||Aug 2004||Montreal, Canada||Hard||Shinobu Asagoe|| Liezel Huber
|Winner||30.||Sep 2004||Bali, Indonesia||Hard||Anastasia Myskina|| Svetlana Kuznetsova
Arantxa Sánchez Vicario
|Runner-up||21.||Jan 2005||Sydney, Australia||Hard||Elena Dementieva|| Bryanne Stewart
|Winner||31.||Jun 2005||Birmingham, U.K.||Grass||Daniela Hantuchová|| Eleni Daniilidou
|Runner-up||22.||Aug 2005||San Diego, United States||Hard||Daniela Hantuchová|| Conchita Martínez
Virginia Ruano Pascual
|7–6(7), 1–6, 5–7|
|Runner-up||23.||Oct 2005||Zürich, Switzerland||Hard (i)||Daniela Hantuchová|| Cara Black
|7–6(6), 6–7(4), 3–6|
|Winner||32.||Mar 2006||Doha, Qatar||Hard||Daniela Hantuchová|| Li Ting
|Winner||33.||May 2006||Rome, Italy||Clay||Daniela Hantuchová|| Květa Peschke
|3–6, 6–3, 6–1|
|Runner-up||24.||Jun 2006||French Open, Paris, France||Clay||Daniela Hantuchová|| Lisa Raymond
|Runner-up||25.||Aug 2006||Los Angeles, United States||Hard||Daniela Hantuchová|| Virginia Ruano Pascual
|Runner-up||26.||May 2007||Paris, France||Clay||Katarina Srebotnik|| Alicia Molik
|Runner-up||27.||Jun 2007||Wimbledon, London||Grass||Katarina Srebotnik|| Cara Black
|6–3, 3–6, 2–6|
|Winner||34.||Aug 2007||Toronto, Canada||Hard||Katarina Srebotnik|| Cara Black
|6–4, 2–6, [10–5]|
|Runner-up||28.||Oct 2007||Linz, Austria||Hard||Katarina Srebotnik|| Cara Black
|2–6, 6–3, [8–10]|
|Runner-up||29.||Nov 2007||WTA Tour Championships, Madrid||Hard||Katarina Srebotnik|| Cara Black
|7–5, 3–6, [8–10]|
|Runner-up||30.||Feb 2008||Antwerp, Belgium||Hard (i)||Květa Peschke|| Cara Black
|Winner||35.||Apr 2008||Miami, U.S.||Hard||Katarina Srebotnik|| Cara Black
|7–5, 4–6, [10–3]|
|Winner||36.||Apr 2008||Charleston, U.S.||Clay||Katarina Srebotnik|| Edina Gallovits
|Winner||37.||Oct 2008||Linz, Austria||Hard (i)||Katarina Srebotnik|| Cara Black
|Runner-up||31.||Jan 2009||Australian Open, Melbourne, Australia||Hard||Daniela Hantuchová|| Serena Williams
|Runner-up||32.||May 2009||Rome, Italy||Clay||Daniela Hantuchová|| Hsieh Su-wei
|Winner||38.||Jun 2009||Eastbourne, U.K.||Grass||Akgul Amanmuradova|| Samantha Stosur
|Runner-up||33.||Oct 2009||Tokyo, Japan||Hard (i)||Daniela Hantuchová|| Alisa Kleybanova
|Runner-up||1.||19 July 1992||Evansville, United States||Hard||Iva Majoli||3-6, 1-6|
|Winner||2.||20 July 1992||Roanoke, United States||Hard||Tatiana Ignatieva||6–2, 3–2, ret.|
|Runner-up||3.||19 July 1993||St. Simons, United States||Clay||Hiromi Nagano||1–6, 1–6|
|Winner||1.||10 February 1992||Bangkok, Thailand||Hard||Mami Donoshiro|| Huang Qian
|6–4, 3–6, 6–4|
|Runner-up||2.||17 February 1992||Bandung, Indonesia||Hard||Mami Donoshiro|| Chen Li-Ling
|6–4, 3–6, 4–6|
|Winner||3.||26 June 1993||Roanoke, United States||Hard||Yoshiko Sasano|| Mareze Joubert
|Winner||4.||21 August 1994||Fayetteville, United States||Hard||Yuka Yoshida|| Andrea Leand
|Winner||5.||6 May 2007||Gifu, Japan||Carpet||Ayumi Morita|| Kumiko Iijima
|6–1, 3–6, 6–0|
Grand Slam performance timelines
|WTA Premier Mandatory tournaments|
|Indian Wells||Not Tier I||3R||2R||3R||3R||3R||4R||4R||4R||A||A||4R||4R||3R||2R||19–12|
|Beijing||Not Held||Not Tier I||A||0–0|
|WTA Premier 5 tournaments|
|Dubai||Not Held||Not Tier I||1R||0–1|
|Cincinnati||Not Held||Not Tier I||1R||0–1|
|Former WTA Tier I tournaments (currently neither Premier Mandatory nor Premier 5 events)|
|Moscow||NH||Not Tier I||F||1R||QF||2R||A||A||A||1R||A||A||A||A||NM5||7–5|
|San Diego||Not Tier I||QF||F||1R||3R||NTI||9–4|
|Doha||Not Held||Not Tier I||3R||2–1|
A = did not participate in the tournament
SR = the ratio of the number of singles tournaments won to the number of those tournaments played
Q# = lost in the qualifying tournament
|Tournament||1993||1994||1995||1996||1997||1998||1999||2000||2001||2002||2003||2004||2005||2006||2007||2008||2009||Career SR||Career win-loss|
|Australian Open||1R||-||2R||2R||1R||QF||2R||QF||SF||3R||QF||SF||3R||3R||QF||2R||F||0 / 16||35–16|
|French Open||-||-||2R||2R||2R||3R||QF||SF||3R||SF||W||1R||2R||F||F||2R||3R||1 / 15||38–14|
|Wimbledon||Q2||1R||1R||1R||1R||3R||2R||F||F||3R||W||F||QF||1R||F||2R||2R||1 / 14||36–15|
|US Open||-||2R||3R||1R||2R||–||1R||W||-||1R||2R||SF||3R||2R||QF||SF||3R||1 / 11||27–13|
|WTA Finals||A||A||A||A||A||QF||QF||QF||A||SF||F||A||A||A||F||SF||A||0 / 7||3–7|
|WTA Premier Mandatory tournaments|
|Indian Wells||Not Tier I||2R||QF||QF||2R||W||2R||F||A||A||QF||1R||SF||1R||1 / 11||21–10|
|Miami||A||A||QF||2R||1R||QF||A||W||1R||1R||QF||QF||1R||QF||1R||W||1R||2 / 14||20–12|
|Madrid||Not Held||QF||0 / 1||2–1|
|Beijing||Not Held||Not Tier I||A||0 / 0||0–0|
|WTA Premier 5 tournaments|
|Dubai||Not Held||Not Tier I||A||0 / 0||0–0|
|Rome||A||A||A||A||1R||2R||2R||QF||QF||QF||A||2R||QF||W||2R||2R||F||1 / 12||14–11|
|Cincinnati||Not Held||Not Tier I||QF||0 / 1||1–1|
|Toronto/Montréal||A||A||A||A||2R||2R||QF||F||QF||F||A||W||SF||QF||W||QF||SF||2 / 12||28–10|
|Tokyo||QF||1R||1R||1R||1R||SF||QF||1R||SF||1R||SF||QF||SF||QF||1R||1R||F||0 / 17||15–16|
|Former WTA Tier I tournaments (currently neither Premier Mandatory nor Premier 5 events)|
|Moscow||Not Tier I||SF||1R||SF||W||A||A||A||SF||A||A||A||A||NM5||0 / 5||10–4|
|Charleston||A||A||A||A||2R||1R||A||A||A||1R||A||A||2R||A||A||W||1 / 5||5–4|
|1 / 9||11–8|
|San Diego||Not Tier I||1R||F||QF||SF||NTI||0 / 4||7–4|
|Doha||Not Held||Not Tier I||SF||0 / 1||2–1|
|Berlin||A||A||A||2R||QF||2R||QF||A||A||F||A||SF||QF||QF||A||A||0 / 8||13–8|
|Year-end ranking||208||53||45||77||25||13||16||2||9||12||3||9||14||12||6||6||N/A||No. 1|
WTA Tour career earnings
|Earnings ($)||Money list rank|
|1997||0||1||1||307,837[permanent dead link]||26[permanent dead link]|
|2000||0||0||0||729,635[permanent dead link]||12[permanent dead link]|
|2006||0||0||0||595,062[permanent dead link]||25[permanent dead link]|
|2007||0||0||0||691,897[permanent dead link]||21[permanent dead link]|
|2008||0||0||0||757,201[permanent dead link]||18[permanent dead link]|
- "Archived copy". Archived from the original on October 5, 2008. Retrieved November 26, 2008.CS1 maint: archived copy as title (link)
- Women's Tennis Association (November 11, 2007). "Black, Huber Enjoy Season-Ending Glory in Madrid". Women's Tennis Association. Archived from the original on November 14, 2007. Retrieved 2007-11-11.
- Emotional Day 1 in Tokyo Archived September 29, 2009, at the Wayback Machine Sony Ericsson WTA Tour official website, posted September 27, 2009
|Wikimedia Commons has media related to Ai Sugiyama.|
- Official website
- Ai Sugiyama at the Women's Tennis Association
- Ai Sugiyama at the International Tennis Federation
- Ai Sugiyama at the Billie Jean King Cup
| Karen Krantzcke Sportsmanship Award