Top-seeded David Ferrer withdrew from his Mexican Open quarterfinal against South Africa's Kevin Anderson in the second set Thursday with a left leg strain.
Third-seeded Ernests Gulbis of Latvia beat defending champion Jo-Wilfried Tsonga of France 7-6 (5), 6-4 to win his fifth career title and maintain his perfect record in finals.
Defending champion Jo-Wilfried Tsonga came through a stern test against 117th-ranked Jan-Lennard Struff to win 7-6 (4), 7-5 Saturday, setting up an Open 13 final against third-seeded Ernests Gulbis of Latvia.
Top-seeded Richard Gasquet of France and defending champion Jo-Wilfried Tsonga both advanced to the Open 13 semifinals on Friday.
Third-seeded Tomas Berdych of the Czech Republic beat Ernests Gulbis of Latvia 6-3, 6-2 Saturday to reach the final of the ABN Amro tournament.
Ernests Gulbis of Latvia has upset top-seeded Juan Martin del Potro 6-3, 6-4 to book a place in the semifinals of the ABN Amro tournament.
Novak Djokovic stayed on track for a fourth consecutive Australian Open singles title with a 6-0, 6-4, 6-4 win Wednesday over Leonardo Mayer of Argentina as temperatures neared 108 degrees.
Juan Martin del Potro, Jo-Wilfried Tsonga and Roger Federer find themselves at crossroads as the 2014 season kicks off.
Top-seeded Rafael Nadal was the only seed remaining at the Qatar Open after he beat seventh-seeded Ernests Gulbis 7-5, 6-4 in the quarterfinals on Thursday.
Third-seeded Andy Murray, playing in his first tournament since back surgery in late September, was upset by Florian Mayer of Germany 3-6, 6-4, 6-2 in the second round of the Qatar Open on Wednesday.
There were times this season when the off-court chatter was better than the playing, Kamakshi Tandon writes.
John Isner of the United States edged Ernests Gulbis of Latvia 7-6 (4), 7-6 (2) Wednesday at the Valencia Open.
Nicolas Almagro beat Pablo Andujar 6-2, 6-3 to make a successful start to his bid for a third title at the Valencia Open on Tuesday.
Top-seeded David Ferrer became the first Spaniard in 37 years to reach the Stockholm Open final when he beat fifth-seeded Ernests Gulbis of Latvia 3-6, 6-4, 6-1 on Saturday.
French wild card Benoit Paire beat second-seeded Milos Raonic 7-6 (3), 6-3 Friday to reach the Stockholm Open semifinals.
Favorites David Ferrer and Milos Raonic got past first-time opponents to reach the Stockholm Open quarterfinals Thursday.