|Residence||Elephant's Pass, Tasmania|
|Born||1 July 1965|
|Height||185 cm (6 ft 1 in)|
|Plays||Right-handed (one-handed backhand)|
|Highest ranking||No. 80 (28 September 1992)|
|Grand Slam Singles results|
|Australian Open||4R (1990)|
|French Open||3R (1985)|
|US Open||1R (1988, 1990, 1991, 1992)|
|Olympic Games||QF (1984, demonstration)|
|Highest ranking||No. 63 (20 April 1992)|
|Grand Slam Doubles results|
|Australian Open||QF (1992)|
|French Open||3R (1986, 1990)|
|Wimbledon||QF (1986, 1989)|
|US Open||QF (1992)|
|Grand Slam Mixed Doubles results|
|Australian Open||2R (1987)|
As a junior player, Youl formed a successful doubles partnership with his fellow Australian player Mark Kratzmann. In 1983, the pair won the Boys' Doubles titles at the French Open, Wimbledon and the US Open. In singles, he reached three slam finals, attaining a ranking as high as No. 5 in the junior world rankings in 1983.
As a professional player, Youl won two top-level singles titles (at Schenectady in 1989, and Singapore in 1992), and two tour doubles titles (Casablanca in 1990, and Bucharest in 1994). His best singles performances at Grand Slam events came in reaching the fourth round at Wimbledon in 1988 (lost to Stefan Edberg) and the Australian Open in 1990 (lost to Ivan Lendl).
Youl's career-high rankings were world No. 80 in singles and world No. 63 in doubles (both in 1992).
He retired from the professional tour in 1994 (playing one Challenger event the following year). Since retiring as a player, he has worked as a tennis coach and is the current State and National High Performance Academy Coach in Hobart, Tasmania.
Singles (2 titles)
|Win||1.||Jul 1989||Schenectady, U.S.||Hard||Scott Davis||2–6, 6–4, 6–4|
|Win||2.||Apr 1992||Singapore||Hard||Paul Haarhuis||6–4, 6–1|