Ranked as high as No. 28 on the WTA singles rankings (March 8, 1993) and No. 36 on the WTA doubles rankings (March 30, 1987).
Reached the quarter-finals of the singles draw at the 1992 US Open, her best Grand Slam result.
Won three pro tournaments, including the 1986 Taipei Women’s Championship.
Competed on the Canadian Olympic Team in 1992 and 1996.
Hong Kong Fed Cup Team 1981-82, 1985, 1987.
Canadian Fed Cup team from 1991-1997
Patricia Hy-Boulais was born in Phnom Penh, Cambodia, but left for Hong Kong at the age of six. She represented Hong Kong during the early stages of her career and into her professional career, which started in October of 1986, but in 1991 she became a citizen of Canada. Hy-Boulais then married her husband, Yves Boulais on November 19, 1994.
As a junior, Hy-Boulais captured the junior Wimbledon doubles crown with American Patty Fendick in 1983 and also advanced to the final of the singles that same year. She attended the Bradenton Academy high school in Florida in 1983 and then attended the University of California-Los Angeles (UCLA), where she became an All-American in 1984 for two years before becoming a Canadian citizen.
She represented Canada at the 1996 Summer Olympics in Atlanta, Georgia, but she was eliminated in the second round by tennis star, Monica Seles.
During her time on the WTA Tour, Hy-Boulais achieved several upsets against top players and in 1992 she was the only Canadian woman to advance to the second week at the French Open, until Aleksandra Wozniak in 2009.
In 1996, Hy-Boulais had reached the fourth round at Wimbledon upsetting Natasha Zvereva and Nathalie Tauziat on her way. In 1997 Hy-Boulais thumped Amanda Coetzer at Wimbledon 6-2, 6-1 on her way to the fourth round for a second straight year. In 1997 she also reached the quarter-finals in doubles at Hobart, Australia; Linz; Austria; Oklahoma City; and Stanford.
She is also a two-time Canadian national champion in singles and doubles and was a member of the Fed Cup team from 1991 to 1997. One of her best results was in 1992 when she advanced to the quarter-finals at the US Open with victories over top players, Jennifer Capriati and Helena Sukova, before falling to the eventual champion Monica Seles.
She posted a singles win-loss record of 242-235 and a doubles win-loss record of 121-150 during her career on the WTA Tour.