
| Year | Australian Open | Roland Garros | Wimbledon | US Open |
| 2008 | - | - | 1ST | 4TH |
| 2009 | 1ST | - | - | - |
| 2010 | - | 2ND | 1ST | 3RD |
| 2011 | 3RD | 2ND | 1ST | 1ST |
| 2012 | QF | - | 3RD | 3RD |
| Year | Australian Open | Roland Garros | Wimbledon | US Open |
| 2011 | - | 2ND | 2ND | - |
| Round | 1R | 2R | 3R | 4R | QF | SF | F |
| Sets played | 4 | 3 | 3 | 3 | |||
| Tie breaks played | 1 | 1 | 1 | 0 | |||
| Total games | 38 | 30 | 30 | 25 | |||
| Winners | 46 | 47 | 29 | 30 | |||
| Unforced errors | 50 | 31 | 33 | 65 | |||
| Service points won | 81 | 63 | 71 | 43 | |||
| Return games won | 7 | 6 | 4 | 2 | |||
| Total points | 133 | 107 | 111 | 79 | |||
| 1st serves in | 89 | 67 | 66 | 58 | |||
| % 1st serves in | 74 | 69 | 68 | 61 | |||
| Total aces | 6 | 6 | 7 | 1 | |||
| Total double faults | 5 | 3 | 1 | 3 | |||
| 1st serve points won | 63 | 48 | 51 | 31 | |||
| % 1st serve points won | 71 | 72 | 77 | 53 | |||
| % 2nd Serve points won | 56 | 50 | 65 | 32 |