Petra Kvitova shook off a first-set loss to advance at the Western & Southern Open in Cincinnati on Monday, and Kristina Mladenovic became the first seeded player to be eliminated.
Editor's Picks Federer latest to pull out of Cincinnati event Roger Federer will not play in the Western & Southern Open, as the Cincinnati-based tournament announced Monday that he is unable to play due to a back injury.
Kvitova, the No. 14 seed, beat Anett Kontaveit 1-6, 7-6 (2), 6-3. Mladenovic, seeded 13th, fell 6-0, 7-6 (6) to Daria Gavrilova.
Beatriz Haddad Maia advanced with a 6-3, 6-2 win over Lauren Davis, and Lesia Tsurenko crafted a comeback win, defeating Anastasia Pavlyuchenkova 5-7, 7-6 (6), 6-0.
In men's play, Richard Gasquet and wild card Tommy Paul advanced in straight sets. Gasquet eased past qualifier John-Patrick Smith 6-4, 6-4, and Paul beat fellow American Donald Young 6-4, 7-6 (4).
Also advancing in straight sets were Fabio Fognini with a 7-6 (5), 6-4 win over Daniil Medvedev, qualifier Mitchell Krueger with a 6-2, 6-1 win over Benoit Paire, and Feliciano Lopez with a 7-6 (5), 6-1 win over Hyeon Chung.
Ivo Karlovic needed three sets to knock out Jiri Vesely 6-3, 3-6, 7-5.
The Associated Press contributed to this report.