I haven't accomplished everything that I want to yet in my career, that's why I'm still playing. I just know that I still have something left inside of me to accomplish, and I don't know exactly what that is. Hopefully, I'll know one day soon.

Pierce won her second Grand Slam singles title and her first Grand Slam doubles title at the 2000 French Open. 2004–2005
After a few quiet years on the tour Pierce won her first title since the 2000 French Open at the Ordina Open on grass in 's-Hertogenbosch the Netherlands in 2004. At the Olympics in Athens Pierce defeated sixth-seeded Venus Williams in the third round 6–4 6–4 before losing to top-seeded and eventual Gold-medallist Justine Henin of Belgium in the quarterfinals by the same score.

Although born in Canada Mary Pierce is a citizen of France Canada and the United States and plays for France in team competitions and the Olympics. She also has twice reached the final of the season-ending WTA Tour Championships most recently in 2005. She won the 2005 Wimbledon mixed doubles championship and has reached three Grand Slam doubles finals.