Jasper Juinen / Getty Images Defending champion Justine Henin's WTA Tour Championships title win over Maria Sharapova extended her winning streak to 25 matches. In addition, she became the first woman since Steffi Graf in 1989 to cruise through the season's second half without losing a single match. The win, her tenth of the season, gave her over $19 million in career prize money.

MORE FROM TENNIS

Tennis Section Front

ATP says it can't reopen Agassi drug case Federer drawn into same group as Del Potro   Video: Djokovic or del Potro will win ATP finale Interactive: Creating the perfect tennis player ATP, WTA scores, schedules MORE ON TENNIS Latest tennis videos Tennis Section Front   Add Tennis headlines to your news reader: