Garbine Muguruza of Spain reacts during a match of the WTA Finals Singles White Group Round Robin with Karolina Pliskova of the Czech Republic at the Singapore Indoor Stadium in Singapore Oct. 24, 2016. Garbine Muguruza lost 1-2. (Xinhua/Then Chih Wey)
Garbine Muguruza of Spain returns the ball during a match of the WTA Finals Singles White Group Round Robin with Karolina Pliskova of the Czech Republic at the Singapore Indoor Stadium in Singapore Oct. 24, 2016. Garbine Muguruza lost 1-2. (Xinhua/Then Chih Wey)
Garbine Muguruza of Spain returns the ball during a match of the WTA Finals Singles White Group Round Robin with Karolina Pliskova of the Czech Republic at the Singapore Indoor Stadium in Singapore Oct. 24, 2016. Garbine Muguruza lost 1-2. (Xinhua/Then Chih Wey)
Garbine Muguruza of Spain serves during a match of the WTA Finals Singles White Group Round Robin with Karolina Pliskova of the Czech Republic at the Singapore Indoor Stadium in Singapore Oct. 24, 2016. Garbine Muguruza lost 1-2. (Xinhua/Then Chih Wey)