New world No. 1 Serena Williams, above, will take on her older sister and defending champion Venus in the final of the season-ending WTA Championships in Qatar on Sunday as injuries again took their toll on the world's top women tennis players.
New world No. 1 Serena Williams, above, will take on her older sister and defending champion Venus in the final of the season-ending WTA Championships in Qatar on Sunday as injuries again took their toll on the world's top women tennis players.