Top-seeded John Isner avoided an upset in his Atlanta Open title defense Thursday night, rallying for a 4-6, 7-6 (5), 7-5 victory over wild-card entry Robby Ginepri in the second round.
Pablo Cuevas of Uruguay upset sixth-seeded Andreas Seppi of Italy 6-3, 6-1 on Thursday to become the first qualifier to reach the Croatia Open quarterfinals in seven years.
Top seed Sorana Cirstea of Romania struggled past wild card Ons Jabeur of Tunisia 6-3, 6-3 to open her account in the Baku Cup on Tuesday.
Andrey Golubev defeated German wild card Philipp Petzschner 6-4, 6-1 to set up a second-round clash with defending champion Fabio Fognini at the Mercedes Cup on Monday.
Seven-time champion Roger Federer returned to the quarterfinals at Wimbledon with a clinical 6-1, 6-4, 6-4 victory over Tommy Robredo of Spain on Tuesday.
French Open champion Maria Sharapova defeated British wild-card entry Samantha Murray 6-1, 6-0 Tuesday in a first-round match at Wimbledon.
Former Wimbledon champion Petra Kvitova has withdrawn from the Aegon International with a hamstring injury, giving British wild-card entry Heather Watson a walkover into the semifinals of the grass-court tournament.
Updates after Halep pulls out with sore shoulder
Rafael Nadal was knocked out in the second round of the grass-court Gerry Weber Open on Thursday, losing 6-4, 6-1 to German wild card Dustin Brown.
German wild card Peter Gojowczyk knocked the third-seeded Milos Raonic out in the second round at the Gerry Weber Open by 6-4, 6-4 on Wednesday.
Former champion Philipp Kohlschreiber advanced to the Gerry Weber Open quarterfinals with a 6-2, 6-4 win over French qualifier Pierre-Hugues Herbert on Wednesday.
Martina Hingis is returning to play at Wimbledon for the first time in seven years.
American teenager Taylor Townsend reached the third round of the French Open in her Grand Slam debut by beating 20th-seeded Alize Cornet of France 6-4, 4-6, 6-4 Wednesday.
John Isner knows aces, and it's no coincidence he cracked 23 of them in his first-round win at the French Open.
Once Agnieszka Radwanska was able to hold her serve, it got easy.
Top-seeded Sloane Stephens of the United States and sixth-seeded Bojana Jovanovski of Serbia lost in straight sets in the first round of the Strasbourg International on Tuesday.