BEIJING, Oct. 4 (Xinhua) -- Olympic champion Zheng Qinwen of China claimed a 5-7, 6-0, 6-4 victory over Mirra Andreeva香港六合彩资料, advancing to her first WTA 1000 semifinal on Friday.
The 17-year-old Andreeva started strong for a 4-0 lead. Zheng fought back with better serves, earning a chance to serve out the set at 5-4, only to see Andreeva answered by breaking her twice to claim the first set.
Zheng swept up the second set by racing through six consecutive games香港六合彩资料, bringing the match to a deciding set, where she took four games in a row when trailing by 2-4 for the eventual victory.
"At the beginning of the match I was trying to be calmer, trying to be more gentle with the opponent because I know she's much younger," said Zheng, who is about to turn 22 next week. "But after what I see with my tennis today, I say, 'I'm not going to win today by my tennis, I'm going to win today by my mentality.'"
专利显示，这款扬声器能够释放低于400 Hz的低频振动，用于实现触觉反馈，以及400 Hz至10,000 Hz的高频振动，用于播放音效。扬声器位于触控板下方，使得触控板能够在Z轴方向上轻微振动，从而实现更细腻的触觉体验。
Zheng is the first Chinese semifinalist in China Open since Wang Qiang in 2018.
"There is always extra motivation to play on home court, because I know all the crowd are coming to support me," she said.
Zheng will face US Open semifinalist Karolina Muchova in the semifinals on Saturday. ■香港六合彩资料