Roger Federer marked his 900th career singles match with a straight sets thrashing of Taylor Dent of the United States at the Stockholm Open.
Elena Dementieva, the women's world number five from Russia, has been forced to withdraw from Wimbledon because of a calf injury.
Briton Andy Murray's poor run of form has continued after the 22-year-old crashed out in the opening round of the Monte Carlo Masters on Wednesday.
Stewart Cink is celebrating winning his first major tournament after clinching a nail-biting play-off victory over compatriot Tom Watson at the British Open in Turnberry on Sunday.
Former champion Lleyton Hewitt is targeting more Wimbledon success after dumping fifth seed Juan Martin Del Potro out in the second round of the men's singles on Thursday.
World number one Rafael Nadal reached the fourth round of the ATP and WTA hardcourt tournament at Key Biscayne in Florida on Monday with a 7-5 6-3 success over Portugal's Frederico Gil.
British number one Andy Murray was bundled out of the Australian Open on Monday by 14th-seeded Fernando Verdasco whose 2-6 6-1 1-6 6-3 6-4 win puts him on course for an all-Spanish semifinal against Rafael Nadal.
British number one Andy Murray launched his title defense at the Qatar Open with a straightforward 6-2 6-4 first round victory over Spain's Albert Montanes on Tuesday.
British number one Andy Murray booked his place in the Masters Cup semifinals after a comfortable 6-4 6-2 win over Frenchman Gilles Simon in Shanghai on Wednesday.
British number one Andy Murray slumped to second round defeat in Barcelona after failing to take advantage of a handful of break points in his 6-4 6-4 defeat to Mario Ancic.
British number one Andy Murray has pulled out of next week's Valencia Open in Spain after picking up a virus.
British number one Andy Murray will be back in the world's top 10 in Monday's rankings after winning the Marseille tournament.