Shirley competed in
badminton at the 2004 Summer Olympics in mixed doubles with partner
Sara Petersen. They defeated
Philippe Bourret and
Denyse Julien of
Canada in the first round but lost to
Jonas Rasmussen and
Rikke Olsen of
Denmark in the round of 16. They also won a bronze medal at the
2002 Commonwealth Games, and the
2005 IBF World Championships, along with a silver metal at the
2006 Commonwealth Games. ==Achievements==