. "WTA Finals" . . . "2015 Road to Singapore" . . "2015 WTA Finals" . . . "Singapore" . . . . . "WTA Championships Race Rankings" . . "WTA Finals Singapore" . "Road to Singapore" . "2015 WTA Finals" . . . "WTA Finals, Singapore" . "Hard (indoor)" . . "2015" . . "scored another win" . .