Wimbledon • Grand Slam Q3 Kostovic T 63 64 25 June Q2 Rakotomanga Rajaonah T 62 63 24 June Q1 Barthel M 64 63 23 June Berlin • WTA 500 Q2 Siniakova K 2 64 62 15 June Q1 Kraus S 12 62 63 15 June 's-Hertogenbosch • WTA 250 Q2 Volynets K 3 67⁴ 76⁸ 61 7 June Q1 Lee C 64 46 61 6 June Gifu • W 100 QF Sawangkaew M Forfait 30 April R2 Ryser V Q 62 75 30 April R1 Shimizu E Q 62 26 62 29 April Tokyo • W 100 R2 Kinoshita H WC 62 64 23 April R1 Zhao C Q 63 76² 22 April Luan • W 100 R1 Wang X 62 76⁴ 1 April Kofu • W 75 QF Ma Y 06 64 20 March R2 Yamaguchi M Q 63 60 19 March R1 Ito A 60 62 18 March Kyoto • W 75 R1 Tian F 76² ab 10 March Brisbane • W 75 F Jones E 4 64 75 15 February SF Preston T 2 63 61 14 February QF Hibino N 7 61 11 ab 13 February R2 Naito Y 63 62 12 February R1 Tse E LL 63 60 11 February Brisbane • W 75 SF Gibson T 1 63 64 7 February QF Saito S 8 63 60 6 February R2 Okamura K 60 61 5 February R1 Micic E 64 64 4 February Manille • WTA 125 QF Vekic D 4 64 63 29 January R2 Sawangkaew M 63 76⁵ 28 January R1 Sun L 6 75 64 27 January Australian Open • Grand Slam Q3 Stakusic M 17 75 64 15 January Q2 Jimenez Kasintseva V 9 61 62 14 January Q1 Pigossi L 64 64 12 January United Cup - Mboko V 26 62 60 4 January - Mertens/Bergs 57 76⁵ 106 3 January - Mertens E 62 62 3 January