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.
Wild-card entrant Philipp Petzschner advances into the quarterfinals of the Dallas Tennis Classic in Las Colinas.
Third-seeded Sam Querrey moved into the second round of the Delray Beach International Tennis Championships when fellow American Michael Russell retired with a left leg injury with Querrey leading 6-2, 2-2 Monday night.
Denis Istomin took advantage of sluggish play by John Isner to eliminate the third-seeded American 6-4, 6-3 on Tuesday in the U.S. National Indoor Tennis Championships.
On one of the most important points of the match, John Isner walked up to the baseline, bounced the ball between his legs and wasted no time smacking an adrenaline-fueled 138 mph ace.
Third-seeded Sam Querrey beat Lleyton Hewitt 7-6 (6), 1-6, 7-6 (4) on Thursday to reach the SAP Open quarterfinals.
Alejandro Falla overcame a slow start and then almost blew a big lead before outlasting Flavio Cipolla 7-6 (1), 7-6 (10) on Wednesday in the first round of the SAP Open.
Top-seeded David Ferrer rallied to beat Taiwan's Lu Yen-hsun 6-4, 2-6, 6-3 in a hard-fought match Wednesday to advance to the Heineken Tennis Open quarterfinals.
Australian qualifier Greg Jones upset sixth-seeded Jurgen Melzer of Austria 7-6 (7), 6-2 Tuesday in the first round of the Heineken Open for his first ATP victory.