Luxembourg • WTA 250 Q1 Day K 16 63 62 14 October Linz • WTA 250 Q1 Hruncakova V 75 76⁸ 7 October US Open • Grand Slam R1 Goerges J 30 61 60 28 August Bastad • WTA 250 R1 Krejčíková B Q 60 60 25 July Bucarest • WTA 250 R1 Suarez Navarro C 2 60 61 17 July Wimbledon • Grand Slam R1 Hercog P Q 62 61 4 July French Open • Grand Slam R1 Sevastova A 17 62 64 30 May Nuremberg • WTA 250 R2 Bertens K 1 75 62 24 May R1 Papadakis L Q 63 63 23 May Prague • WTA 250 R1 Dodin O 75 64 1 May Stuttgart • WTA Premier Q1 Hradecka L 76⁴ 64 22 April Bienne • WTA 250 R2 Vondrousova M Q 61 63 13 April R1 Masarova R WC 64 64 10 April Charleston • WTA Premier R2 Wozniacki C 75 61 6 April R1 Chirico L 60 30 ab 4 April Indian Wells • WTA Premier R2 Mladenovic K 28 60 75 11 March R1 Bouchard E 36 62 62 10 March Acapulco • WTA 250 R1 Brengle M 46 63 62 1 March Budapest • WTA 250 MH Witthoeft C 61 61 24 February R2 Stollar F WC 62 60 22 February R1 Cepelova J 62 62 20 February Doha • WTA Premier Triwulan 2 Giorgi C 62 46 63 13 February Q1 Broady N 46 75 62 11 February St. Petersburg • WTA Premier R2 Putintseva Y 64 60 1 February R1 Bertens K 7 75 36 64 30 January Australian Open • Grand Slam R1 Barty A WC 64 75 16 January Hobart • WTA 250 R1 Bertens K 1 61 62 9 January Auckland • WTA 250 R1 Osaka N 62 64 3 January