Top-seeded Jessica Pegula overcame a first-set misstep to post a 4-6, 6-3, 6-0 win over Claire Liu on Friday in the quarterfinals of the Hana Bank Korea Open in Seoul.

Pegula is bidding to win her fourth title of the season. She hopes to continue her quest when she faces Belgium’s Yanina Wickmayer, who recorded a 6-3, 6-1 victory over Polina Kudermetova of Russia.

Also on Friday, China’s Yuan Yue seized a 7-5, 7-6 (7) win over fourth-seeded Marie Bouzkova of the Czech Republic. Yue will square off in the semifinals against 116th-ranked Emina Bektas, who notched a 4-6, 6-3, 6-2 win over Kimberly Birrell of Australia.

Hong Kong Tennis Open

No. 6 seed Martina Trevisan of Italy reached the first hard-court semifinal of her career with a 6-4, 6-3 win over third-seeded Elise Mertens of Belgium.

Trevisan’s next foe is Czech Republic native Katerina Siniakova, who rallied from a 4-2 deficit in the first set to notch 7-6 (1), 6-4 win over 2017 champion Anastasia Pavlyuchenkova of Russia.

Fifth-seeded Anna Blinkova of Russia seized a 7-6 (3), 6-3 victory over Sara Sorribes Tormo of Spain. Blinkova advanced to face Canada’s Leylah Fernandez, who recorded 34 winners in a 7-6 (2), 6-2 win over Linda Fruhvirtova of the Czech Republic.

Zhengzhou Open

Zheng Qinwen cruised to a 6-3, 6-2 win over Anhelina Kalinina of the Ukraine to advance to the semifinals of a tournament on her home soil.

The 21-year-old Chinese player recorded 32 winners and eight aces en route to winning her match in 86 minutes. She advanced to face Italian Jasmine Paolini, who won the first nine games in a 6-0, 7-5 victory over Laura Siegemund of Germany.

Seventh-seeded Barbora Krejcikova of the Czech Republic led 6-3 in her match with Lesia Tsurenko before the Ukrainian qualifier retired due to back pain. She will face eighth-seeded Russian Daria Kasatkina, who advanced to the semis in a walkover after No. 4 Ons Jabeur of Tunisia withdrew because of a knee injury.

–Field Level Media