Roland Garros • Grand Slam R2 Siegemund L 16 61 63 1 October R1 Riske-Amritraj A 19 63 67⁴ 61 29 September Dallas • WTA Premier R1 Kovinic D Q 61 60 14 September Berlin • Exhibition QF Sevastova A 63 43 ab 13 July Doha • WTA Premier R1 Sakkari M 64 63 24 February Dubai • WTA Premier Q2 Cîrstea S 57 64 76⁴ 16 February Q1 Giorgi C 62 64 15 February Australia Terbuka • Grand Slam R3 Riske-Amritraj A 18 16 76⁴ 62 24 January R2 Martic P 13 46 63 75 22 January R1 Hruncakova V 61 62 20 January Adelaide • WTA 250 R2 Bencic B 4 76⁶ 76⁴ 15 January R1 Hon P WC 76⁷ 63 14 January Auckland • WTA 250 QF Wozniacki C 5 61 64 10 January R2 Teichmann J 63 62 9 January R1 Minnen G Q 61 76⁴ 7 January