Rublev advances at Shanhai Masters

Learning from his loss to the same opponent last month, seventh-ranked Andrey Rublev got his revenge and eased to a 6-2, 6-3 win over Ugo Humbert in the quarterfinals of the Shanghai Masters.

The Russian player advanced to his sixth Masters semifinal appearance where he'll play Grigor Dimitrov.

Rublev improved to 3-2 against Humbert and said that losing two weeks ago to the Frenchman at the China Open had helped him win this time.

Dimitrov, who beat secondranked Carlos Alcaraz in the fourth round, defeated Nicolas Jarry 7-6 (2), 6-4.

• Jessica Pegula advanced to the semifinals of the Korea Open in Seoul by beating Claire Liu 4-6, 6-3, 6-0.

The fourth-ranked American, looking to win her fourth title of the season, will next play Yanina Wickmayer. She beat Polina Kudermetova 6-3, 6-1.

Another American, Emina Bektas, also advanced to the semifinals. Bektas defeated Kimberly Birrell 4-6, 6-3, 6-2.

The 116th-ranked Bektas will play Yuan Yue, who eliminated fourth-seeded Marie Bouzkova 7-5, 7-6 (7).

• Daria Kasatkina advanced to the semifinals of the Zhengzhou (China) Open with a walkover after Ons Jabeur withdrew because of a knee injury she sustained in the second round.

Kasatkina will play Barbora Krejcikova in today's semifinals. Krejcikova was leading Lesia Tsurenko 6-3 when the Ukrainian retired.

• Martina Trevisan defeated third-seeded Elise Mertens 6-4, 6-3 to advance to the semifinals of the Hong Kong Open.

Trevisan, ranked 42nd, will next play Katerina Siniakova. She beat Anastasia Pavlyuchenkova 7-6 (1), 6-4.Leylah Fernandez reached the semifinals by beating Linda Fruhvirtova 7-6 (2), 6-2.