Clijsters announced her comeback to professional tennis during a March 26, 2009, press conference and requested a wild card to play in the U.S. Open.CBSSports.com: Clijsters Returning From Retirement After Two Years Cljsters went ahead to play in the U.S. Open as an unseeded player and became the first ever woman to win the US Open in such a manner after winning the final game against Wozniacki on September 13, 2009.http://www.abc.net.au/pm/content/2009/s2685592.htm

Clijsters was forced to withdraw from competitions in 2004 and part of 2005 due to a left wrist injury, but by 2006 played another five tournaments and retired the following year with a number four ranking.Sony Ericsson WTA Tour: Kim Clijsters

In 2009, five weeks after her comeback, Cljsters won the US Open as the first unseeded woman to ever win that Grand Slam title.http://www.abc.net.au/pm/content/2009/s2685592.htm

• 2009: US Open
• 2007: SydneyOfficial Site: Record
• 2006: Hasselt, Stanford, WarsawOfficial Site: Record
• 2005: Hasselt, Luxemburg, US Open, Toronto, Los Angeles, Stanford, Eastbourne, Miami, Indian WellsOfficial Site: Record
• 2004: Antwerp, ParisOfficial Site: Record
• 2003: Tour Championships, Luxembourg, Filderstadt, Los Angeles, Stanford, Rosmalen, Rome, Indian Wells, SydneyOfficial Site: Record
• 2002: Tour Championships, Luxembourg, Filderstadt, HamburgOfficial Site: Record
• 2001: Luxembourg, Leipzig, StanfordOfficial Site: Record
• 2000: Leipzig, HobartOfficial Site: Record
• 1999: LuxembourgOfficial Site: Record