John Isner lost to Ivan Dodig in the Rogers Cup on Monday night and was upset in his first match for the second straight tournament.
No. 6 seed Svetlana Kuznetsova of Russia advanced to the second round of the Citi Open with a 6-3, 6-2 victory Monday over Slovenia's Polona Hercog.
Roger Federer won the Gerry Weber Open for the seventh time by defeating Alejandro Falla 7-6 (2), 7-6 (3) in the final on Sunday.
Six-time champion Roger Federer will play Alejandro Falla in the final of the Gerry Weber Open after both won their semifinals on Saturday.
Roger Federer progressed to the semifinals of the grass-court Gerry Weber Open without playing after Lu Yen-hsun of Taiwan pulled out of their quarterfinal with back problems on Friday.
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.
The fifth-seeded Richard Gasquet and sixth-seeded Mikhail Youzhny crashed out in the first round of the Gerry Weber Open on Tuesday.
American Sam Querrey narrowly avoided a major upset on Monday with a 6-7 (5), 6-4, 6-3 victory over the 646th-ranked local Tigre Hank in the first round of the Mexican Open.
American Jack Sock beat Australian Bernard Tomic 6-4, 6-2 Tuesday to set up a second-round match with top-seeded David Ferrer at the Stockholm Open.
Croatia's Ivo Karlovic won the Claro Open Colombia on Sunday, spoiling hometown favorite Alejandro Falla's bid for his first ATP Tour title.
Hometown favorite Alejandro Falla advanced to the Claro Open Colombia final Saturday, beating Canada's Vasek Pospisil 6-7 (4), 6-3, 6-4.
Hometown favorite Alejandro Falla upset top-seeded Janko Tipsarevic of Serbia 3-6, 6-2, 6-3 on Friday night to advance to the Claro Open Colombia semifinals.
Top-seeded Janko Tipsarevic of Serbia advanced to the Claro Open Colombia quarterfinals Thursday night, beating Belgium's Ruben Bemelmans 6-4, 7-5.
Sam Stosur, the 2010 French Open runner-up, waited 2 1/2 hours to play because of rain, then quickly won her opening match at Roland Garros.
Ricardas Berankis reached the second round of the Nice Open by beating eighth-seeded Denis Istomin of Uzbekistan 6-2, 6-2 on Sunday.