Sébastien Lareau
Sébastien Lareau is a former professional tennis player. He became the first Canadian to win a Grand Slam title by winning the 1999 US Open men's doubles with his American partner Alex O'Brien. He also won his nation's first Olympic tennis medal by claiming gold in men's doubles at the Tennis at the [2000 Summer Olympics – Men's doubles|2000 Sydney Games] with Daniel Nestor.
As a singles player
The right-handed Lareau achieved a career best singles ranking of world No. 76 in April 1995. He has a career ATP Tour event win–loss record of 99–137. Lareau's best singles tour results were:- in 1995, the quarterfinals of the Philadelphia and St. Petersburg World Series events;
- in 1996, the fourth round of the Key Biscayne Super 9 event;
- in 1997, the quarterfinals of the Hong Kong World Series event;
- in 1998, the third round of the Australian Open – Men's singles|Australian Open]; the semifinals of the Philadelphia, the quarterfinals of the Scottsdale, the semifinals of the 1998 [Salem Open – Singles|Hong Kong], the quarterfinals of the 1998 [Legg Mason Tennis Classic – Singles|Washington] and Moscow World Series events;
- in 1999, the quarterfinals of the 1999 [Japan Open Tennis Championships – Men's singles|Tokyo Outdoor] World Series event; and
- in 2001, the semifinals of the Memphis International Series Gold event.
As a doubles player
Lareau reached a career-high doubles ranking of world No. 4 in October 1999. He won 16 doubles titles on the ATP Tour. Lareau won one major title, the 1999 US Open, and the season-ending 1999 [ATP Tour World Championships – Doubles|1999 ATP Doubles Championships], both partnering Alex O'Brien. The pair were also finalists at the 1996 Australian Open and 1997 Australian Open.Representing Canada, playing alongside Daniel Nestor, Lareau won the gold medal in men's doubles at the 2000 Sydney Olympics, defeating Australia's defending champions Todd Woodbridge and Mark Woodforde in the final.
ATP career finals
Doubles: 31 (16 titles, 15 runner-ups)
| Result | W-L | Date | Tournament | Surface | Partner | Opponents | Score |
| Loss | 1. | 1994 [Japan Open Tennis Championships – Men's doubles|Apr 1994] | Tokyo Outdoor, Japan | Hard |  |