[2] Her first title in 1996 came over Christie Van Hees,[3] while in 1999 Grand'Maître defeated Lucie Guillemette, who was also her doubles partner that year.

She played doubles in each of those tournaments and reached the finals in 1988 with Nadia Verilli, 1990 and 1992 with Vicky Shanks (née Brown).

[13] Most recently, Grand'Maître was a bronze medalist in doubles with Frédérique Lambert at the 2012 World Championships in Santo Domingo, Dominican Republic, as they reached the semi-finals but lost to eventual champions Paola Longoria and Samantha Salas.

[15] Grand'Maître played both singles and doubles (with Vicki Shanks) at the 1994 Pan American Championships (then Tournament of the Americas) and got bronze and silver, respectively.

[18] Grand'Maître was a bronze medalist at the 2002 World Championships in singles, as she lost to American Cheryl Gudinas in the semi-finals.

She played doubles with Saunders at the next World Championships in 2004, when they got bronze medals after losing in the semi-finals to Mexicans Susana Acosta and Rosy Torres.

[20] Grand'Maître was a bronze medalist at the 2006 World Championships in doubles with Lori-Jane Powell, as they lost to Chileans Angela Grisar and Fabiola Marquez.

[21] That year the Canadian women's team took silver, and Grand'Maître and Powell won their match in the final against Americans Laura Fenton and Aimee Ruiz.