Andy Murray eased into the quarterfinals at the Dubai Championships with a 6-3, 6-4 win over Marco Chiudinelli of Switzerland on Wednesday.
Roger Federer defeated Michael Llodra 6-0, 7-6 (6) to reach the second round of the Dubai Championships on Tuesday.
Anna Chakvetadze, whose career has been derailed by a series of worrying health problems, believes she can rediscover the form that once took her to number five in the world and the semi-finals of the US Open.
Former world number one and double Grand Slam title winner Marat Safin on Thursday became the latest Russian tennis player to confirm he intends to run for his country's parliament.
Tennis star and world number two Maria Sharapova said on Monday that her compatriot Anna Chakvetadze's decision to run for the Russian parliament would make it "tough" on her career in the sport.
Former champion Maria Sharapova moved into the second round at Wimbledon on Tuesday, winning an all-Russian match against Anna Chakvetadze 6-2, 6-1.
Last year's finalist Samantha Stosur made the second round of Stuttgart's WTA tournament on Tuesday as dizzy spells forced Russia's Anna Chakvetadze to retire for the third time this year.
Novak Djokovic, who took away Roger Federer's Australian Open title last month, beat him in straight sets again to prevent the former world number one from regaining the Dubai Open title here on Saturday.
Novak Djokovic has reached the Dubai Championships final for the third year running, defeating a hobbling Tomas Berdych of the Czech Republic who retired with the score 6-7 (5), 6-2, 4-2 on Friday.
Roger Federer cruised into the Dubai Championships semifinals by beating Sergiy Stakhovsky of Ukraine 6-3, 6-4 on Thursday.