Beijing • WTA 500 R2 Peng S 75 61 19 September R1 Sun T WC 62 63 18 September US Open • Grand Slam R3 Azarenka V 36 61 60 2 September R2 Parmentier P Q 62 75 31 August R1 Johansson M 60 63 28 August Los Angeles • WTA 500 R2 Mirza S 62 26 64 8 August San Diego • WTA 1000 R3 Schnyder P 11 61 67⁴ 63 3 August R2 Krajicek M 75 62 1 August Wimbledon • Grand Slam R3 Granville L 64 62 29 June R2 Nakamura A 61 62 27 June R1 Cavaday N WC 67⁰ 75 60 25 June Berlin • WTA 1000 R3 Schnyder P 15 64 60 11 May R2 Volodko K 75 76⁰ 9 May Miami • WTA 1000 R3 Radwanska A 46 63 62 25 March R2 Melzer I 63 62 24 March Indian Wells • WTA 1000 R4 Hantuchova D 14 64 63 14 March R3 Meusburger Y 62 64 12 March R2 Wozniacki C 61 63 10 March Doha • WTA 500 QF Hantuchova D 6 16 64 64 1 March R2 Kirilenko M 62 62 28 February Dubai • WTA 500 QF Jankovic J 5 76⁰ 62 22 February R2 Medina Garrigues A 57 63 64 21 February Tokyo • WTA 1000 F Ivanovic A 5 64 62 4 February SF Dementieva E 3 64 63 3 February QF Stosur S 60 61 2 February R2 Pratt N 61 75 31 January Australian Open • Grand Slam QF Clijsters K 4 36 64 63 24 January R4 Li N 19 46 63 60 22 January R3 Nakamura A 62 61 20 January R2 Kudryavtseva A 62 62 18 January R1 Dechy N 60 62 16 January Sydney • WTA 500 R1 Jankovic J 64 46 63 8 January Gold Coast • WTA 250 F Safina D 2 63 36 75 6 January SF Garbin T 34 ab 5 January QF Castaño C 63 61 5 January R2 Pratt N 60 61 5 January R1 Bammer S 60 62 5 January