ST. PETERSBURG, Russia (AP) — Jelena Ostapenko advanced to the second round of the St. Petersburg Ladies Trophy by beating Paula Badosa 6-2, 6-2 on Monday.

PRAGUE (AP) — Top-seeded Simona Halep cruised past lucky loser Magdalena Frech 6-2, 6-0 to advance to the semifinals of the Prague Open on Friday.

PRAGUE (AP) — Kristyna Pliskova upset second-seeded Petra Martic 6-1, 7-5 to advance to the quarterfinals of the Prague Open on Wednesday.

Pliskova, ranked 69th, hit nine aces and 28 winners...

HONG KONG (AP) — Eighth-seeded Alize Cornet lost to 105th-ranked Lusksika Kumkhum of Thailand at the rain-affected Hong Kong Open on Wednesday, while No. 4 Garbine Muguruza easily advanced to the quarterfinals.

After rain delayed play for four hours, Cornet came from 4-1 down in the final set to force a tiebreaker but lost 6-4, 4-6, 7-6 (5) against Kumkhum.

TAIPEI, Taiwan (AP) — Eugenie Bouchard advanced to the quarterfinals of the Taiwan Open by beating Ana Bogdan 7-5, 7-5 Thursday.

Bouchard broke Bogdan to 6-5 and then converted her second match point. She will next face Yafan Wang, who defeated Pauline Parmetier 6-3, 6-3.

Fourth-seeded Timea Babos beat Dalila Jakupovic 6-3, 4-6, 6-2 and also advanced. Babos will next face seventh-seeded Magda Linette, who defeated Johanna Larsson 6-1, 6-7 (4), 7-6 (3).

NEW HAVEN, Conn. (AP) — Second-seeded Dominika Cibulkova of Slovakia rallied to beat Alize Cornet of France 2-6, 6-2, 6-4 on Wednesday night to reach the Connecticut Open quarterfinals.

Cibulkova will face sixth-seeded Anastasia Pavlyuchenkova of Russia on Thursday in the U.S. Open tuneup event at The Connecticut Tennis Center at Yale. Pavlyuchenkova beat Spain's Carla Suarez Navarro 7-6 (3), 6-0.