Rafael Nadal persevered through stomach cramps to fend off American qualifier Tim Smyczek in five sets Wednesday to advance to the third round of the Australian Open.
Top-seeded David Ferrer powered his way past Andreas Seppi 6-3, 7-5 to reach the second round of the Valencia Open on Wednesday.
Philipp Kohlschreiber made a winning return from a four-week injury layoff Wednesday, rallying to defeat Carlos Berlocq of Argentina 3-6, 6-1, 6-4 in the second round of the Erste Bank Open.
Ivo Karlovic of Croatia saved three match points in the second set before beating Federico Delbonis of Argentina 6-7 (1), 7-6 (9), 7-6 (2) on Tuesday at the Erste Bank Open.
Carlos Berlocq of Argentina came back from a break down in the second set to defeat Gerald Melzer of Austria 6-3, 7-6 (2) on Monday at the Erste Bank Open.
Japanese wildcard entry Tatsuma Ito upset Australian Open champion Stan Wawrinka 7-5, 6-2 on Tuesday to advance to the second round of the Japan Open.
Fifth-seeded Pablo Cuevas of Uruguay opened the Malaysian Open with a 6-4, 7-6 (1) victory over Jurgen Melzer of Austria on Monday.
Belgian qualifier David Goffin defeated defending champion Jurgen Melzer of Austria 6-3, 6-4 Monday in the first round of the Winston-Salem Open, a tuneup for next week's U.S. Open.
Roger Federer rolled to a 6-2, 6-0 victory over wild card Peter Polansky in the second round of the Rogers Cup, and Stan Wawrinka, Ernests Gulbis and Richard Gasquet also advanced in the U.S. Open tuneup on Tuesday.
Paolo Lorenzi of Italy downed two-time former champion Robin Haase 6-2, 6-3 in the first round of the Kitzbuehel Cup on Tuesday.
Two-time Wimbledon champion Rafael Nadal was made to work hard for his opening-round win at Wimbledon on Tuesday, rallying from one set down before beating hard-hitting Martin Klizan of Slovakia.
Australian Open champion Stan Wawrinka and the highest-ranked American man, John Isner, have been elected to the ATP Player Council.
Zheng Jie of China reached her first WTA final in 2.5 years when she beat Magdalena Rybarikova of Slovakia 6-1, 6-3 in the Topshelf Open on Friday.
Updates after Halep pulls out with sore shoulder
Tommy Haas' bid to become the oldest man in the French Open's second round since Jimmy Connors in 1991 ended after less than a set Tuesday because of pain in his right shoulder.
Ivo Karlovic of Croatia advanced to the Duesseldorf Open semifinals on Thursday, hitting 19 aces in a 6-4, 3-6, 6-3 win over defending champion Juan Monaco of Argentina.