Caroline Garcia of France returns a shot to Katerina Siniakova of the Czech Republic during their singles second round match at the 2018 WTA Wuhan Open tennis tournament in Wuhan of central China's Hubei Province, on Sept. 25, 2018. (Photos: Xinhua)

Caroline Garcia of France returns a shot to Katerina Siniakova of the Czech Republic during their singles second round match at the 2018 WTA Wuhan Open tennis tournament in Wuhan of central China's Hubei Province, on Sept. 25, 2018.

Caroline Garcia of France reacts during the singles second round match against Katerina Siniakova of the Czech Republic at the 2018 WTA Wuhan Open tennis tournament in Wuhan of central China's Hubei Province, on Sept. 25, 2018. Katerina Siniakova won 2-1.

Katerina Siniakova of the Czech Republic returns a shot to Caroline Garcia of France during their singles second round match at the 2018 WTA Wuhan Open tennis tournament in Wuhan of central China's Hubei Province, on Sept. 25, 2018.

Katerina Siniakova of the Czech Republic celebrates scoring during singles second round match against Caroline Garcia of France at the 2018 WTA Wuhan Open tennis tournament in Wuhan of central China's Hubei Province, on Sept. 25, 2018. Katerina Siniakova won 2-1.

Katerina Siniakova of the Czech Republic returns a shot to Caroline Garcia of France during their singles second round match at the 2018 WTA Wuhan Open tennis tournament in Wuhan of central China's Hubei Province, on Sept. 25, 2018. Katerina Siniakova won 2-1.

Katerina Siniakova (R) of the Czech Republic shakes hands with Caroline Garcia of France after their singles second round match at the 2018 WTA Wuhan Open tennis tournament in Wuhan of central China's Hubei Province, on Sept. 25, 2018. Katerina Siniakova won 2-1.