Tennis Tracker: Kenin and Rybakina surge into Tokyo semi-finals, Muchova in action

11:37 CET - Qualifier and world number 305 Claire Liu has sealed a spot in the Guangzhou semi-finals after coming from behind to claim a shock 4-6, 6-0, 6-4 victory over Ella Seidel.

09:10 CET - Over in Guangzhou, qualifier Lulu Sun has stunned Caty McNally 3-6, 6-3, 6-4 to reach the semi-finals.

09:00 CET - Sofia Kenin becomes the third semi-finalist after coming through an epic battle against Ekaterina Alexandrova to win 6-0, 2-6, 7-6(3) in Tokyo.

07:30 CET - Good morning and welcome back to quarter-final Friday! After Anna Kalinskaya's retirement earlier on after going a set down, in-form Linda Noskova booked the first semi-final spot in Tokyo. And number two seed Elena Rybakina avoided a potential upset against the exciting teenager to win 6-3, 7-6 (4) and become the second semi-finalist.

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