Reigning Kvitova champion will face Australian in WTA Championship final . Kvitova started brightly enough against Stosur taking a 4-2 lead in the opening set , but then a series of unforced errors let the increasingly confident Australian back into the contest . Wimbledon beats Samantha Stosur in one sets in semifinal . Azarenka enjoys comfortable win over WTA Championship 's Vera Zvonareva .
Reigning Kvitova champion will face Australian in WTA Championship final . Wimbledon beats Samantha Stosur in one sets in semifinal . Azarenka enjoys comfortable win over WTA Championship 's Vera Zvonareva .