Nov. 1, 2009 (United Press International) -- Serena Williams beat her sister Venus Williams in straight sets Sunday and won the Sony (NYSE:SNE) Ericsson (NASDAQ:ERICY) Championships in Qatar, her 35th WTA title.

Serena , who was seeded No. 2 in the event, won 6-2, 7-6 (7-4). Venus was seeded seventh.

The victory was Serena's eighth in 11 finals matches against Venus. Overall on the tour, Serena has a 13-10 record against her sister.

Serena received a first-place check for $1.55 million.