
| Year | Australian Open | Roland Garros | Wimbledon | US Open |
| 2007 | 1ST | 1ST | 1ST | - |
| 2008 | 4TH | 2ND | 4TH | 3RD |
| 2009 | 4TH | 4TH | 3RD | QF |
| 2010 | SF | 4TH | 1ST | 2ND |
| 2011 | 4TH | 1ST | 1ST | 3RD |
| 2012 | - | 3RD | 4TH | QF |
| Round | 1R | 2R | 3R | 4R | QF | SF | F |
| Sets played | 3 | 3 | 5 | ||||
| Tie breaks played | 0 | 0 | 1 | ||||
| Total games | 30 | 30 | 48 | ||||
| Winners | 34 | 45 | 38 | ||||
| Unforced errors | 33 | 22 | 67 | ||||
| Service points won | 73 | 61 | 79 | ||||
| Return games won | 4 | 4 | 7 | ||||
| Total points | 109 | 99 | 146 | ||||
| 1st serves in | 58 | 43 | 68 | ||||
| % 1st serves in | 55 | 57 | 50 | ||||
| Total aces | 9 | 9 | 13 | ||||
| Total double faults | 3 | 2 | 5 | ||||
| 1st serve points won | 44 | 39 | 51 | ||||
| % 1st serve points won | 76 | 91 | 75 | ||||
| % 2nd Serve points won | 60 | 67 | 41 |