Pliskova wins twice in a day to reach semifinals

ZHENGZHOU, China (AP) - Top-seeded Karolina Pliskova won two hard-fought matches to reach the Zhengzhou Open semifinals on Friday.

Pliskova had to wait 1 ½ days to complete her second round match as she beat Polona Hercog 6-3, 7-5 but not before saving five set points in the second set. ...