Originally published on: 26/02/10 12:19The 13-time Grand Slam champion made the announcement on his personal web site, noting that the decision

 Originally published on: 26/02/10 12:19The 22-year-old Spaniard suffered a knee injury in the second set of his defeat by Andy Murray

 Originally published on: 26/02/10 12:19The Russian, who lost to Serena Williams in the final of the Australian Open last month, struggled

 Originally published on: 26/02/10 12:19Sixth seed Venus defeated defending champion Elena Dementieva 6-3 6-3 in the quarter-finals on Thursday while world

 Originally published on: 26/02/10 12:19Seeded fourth and a winner at this claycourt event in Buenos Aires in 2003 and 2006, the

 Originally published on: 26/02/10 12:19The world number three, playing in his first event since retiring from his Australian Open quarter-final against

 Originally published on: 26/02/10 12:19Pennetta was upset by Betina Jozami in the opening round of this claycourt event last year, and

 Originally published on: 26/02/10 12:19The Russian won the first set in typically erratic fashion, saving five break points in the process.But

 Originally published on: 26/02/10 12:19Wozniacki is one of the WTA Tour's rising stars following a career season in 2008 that saw

 Originally published on: 26/02/10 12:19The second-seeded Del Potro got off to a good start against Canas, who dropped to 0-3 lifetime