2009 WTA Tour

The 2009 Sony Ericsson WTA Tour was the 37th season since the founding of the Women's Tennis Association. It commenced on January 5, 2009, and concluded on November 8, 2009 after 56 events. Serena Williams and Dinara Safina engaged in a battle for the year-end No. 1 ranking, with Williams eventually coming out on top after winning the WTA Tour Championships. She won two Grand Slam titles during the year. Safina ascended to No. 1 in April and held it for much of the rest of the season. Svetlana Kuznetsova, Caroline Wozniacki and Elena Dementieva also enjoyed successful years in 2009.

2009 WTA Tour

The 2009 Sony Ericsson WTA Tour was the 37th season since the founding of the Women's Tennis Association. It commenced on January 5, 2009, and concluded on November 8, 2009 after 56 events. Serena Williams and Dinara Safina engaged in a battle for the year-end No. 1 ranking, with Williams eventually coming out on top after winning the WTA Tour Championships. She won two Grand Slam titles during the year. Safina ascended to No. 1 in April and held it for much of the rest of the season. Svetlana Kuznetsova, Caroline Wozniacki and Elena Dementieva also enjoyed successful years in 2009.