Beijing Piala Billie Jean King SF Svitolina E 62 62 26 September QF Guo/Jiang 63 57 63 24 September QF Zheng Q 63 76⁴ 24 September US Open • Grand Slam R3 Cîrstea S 16 63 63 4 September R2 Stefanini L Q 64 61 2 September R1 Erjavec V 63 36 64 30 August Wimbledon • Grand Slam QF Kostyuk M 12 63 62 8 July R4 Eala A 29 64 46 63 6 July R3 Sakkari M 61 62 4 July R2 Golubic V 76⁷ 64 2 July R1 Montgomery R Q 06 64 75 30 June Eastbourne • WTA 250 R1 Maria T 64 63 23 June Roland Garros • Grand Slam R2 Sierra S 36 64 63 27 May R1 Yastremska D 75 63 25 May Dallas • WTA 1000 R3 Mertens E 21 46 76⁵ 63 9 May R2 Jeanjean L Q 67⁴ 62 64 7 May Madrid • WTA 1000 R3 Baptiste H 30 75 63 25 April R2 Siegemund L 36 62 64 23 April Stuttgart • WTA 500 R1 Sönmez Z Q 62 62 15 April Miami • WTA 1000 R3 Ostapenko J 25 57 62 75 22 March R2 Townsend T WC 63 16 62 20 March Indian Wells • WTA 1000 R4 Gibson T Q 75 26 61 10 March R3 Tomljanovic A 75 57 61 9 March R2 Potapova A 67⁰ 62 63 7 March Merida • WTA 500 SF Bucsa C 75 64 1 March QF Boulter K WC 06 63 63 28 February R2 Hon P LL 60 62 27 February Dubai • WTA 1000 R2 Eala A 61 76⁵ 17 February Doha • WTA 1000 R2 Sakkari M 64 62 10 February Australia Terbuka • Grand Slam R3 Jovic I 29 62 76³ 23 January R2 Frech M 62 63 21 January R1 Sasnovich A Q 61 62 18 January United Cup - Jeanjean L 62 63 6 January - Bencic B 64 63 4 January