Tennis: Siniakova reaches WTA Guangzhou Open semifinals
Top seed Katerina Siniakova of the Czech Republic advanced to the last four after beating Pera Bernarda of the United States in straight sets at the WTA Guangzhou Open here on Friday. Despite losing her serve in the third game of the first set, Siniakova overcame the setback to beat Bernarda 6-4, 7-5 in…