
| Year | Australian Open | Roland Garros | Wimbledon | US Open |
| 2007 | - | - | - | 1ST |
| 2008 | - | - | 2ND | 1ST |
| 2009 | 1ST | 1ST | 1ST | 1ST |
| 2010 | 2ND | 2ND | 1ST | 2ND |
| 2011 | 3RD | 3RD | 3RD | 3RD |
| 2012 | 4TH | 3RD | 3RD | 1ST |
| 2013 | 4TH | - | - | - |
| Year | Australian Open | Roland Garros | Wimbledon | US Open |
| 2009 | - | - | - | 1ST |
| 2010 | 1ST | 2ND | QF | 3RD |
| 2011 | 3RD | 3RD | 1ST | 2ND |
| 2012 | 2ND | 1ST | 1ST | QF |
| 2013 | 2ND | - | - | - |
| Round | 1R | 2R | 3R | 4R | QF | SF | F |
| Sets played | 3 | 2 | 3 | 2 | |||
| Tie breaks played | 0 | 0 | 0 | 1 | |||
| Total games | 30 | 17 | 28 | 20 | |||
| Winners | 42 | 28 | 42 | 9 | |||
| Unforced errors | 40 | 23 | 56 | 22 | |||
| Service points won | 61 | 38 | 53 | 30 | |||
| Return games won | 4 | 3 | 4 | 2 | |||
| Total points | 92 | 66 | 86 | 50 | |||
| 1st serves in | 55 | 30 | 46 | 34 | |||
| % 1st serves in | 52 | 61 | 53 | 57 | |||
| Total aces | 7 | 7 | 7 | 0 | |||
| Total double faults | 7 | 1 | 2 | 4 | |||
| 1st serve points won | 40 | 24 | 32 | 21 | |||
| % 1st serve points won | 73 | 80 | 70 | 62 | |||
| % 2nd Serve points won | 42 | 74 | 51 | 35 |