Vekic D — Swiatek I

Jovic I — Rakhimova K

Bouzkova M — Zheng Q

Charaeva A — Kartal S

Bencic B — Li A

Ostapenko J — Mertens E

Sakkari M — Svitolina E

Gauff C — Sun Xinran

Noskova L — Alexandrova E

Snigur D — Andreeva M

Muchova K — Osaka N

Kraus S — Bartunkova N

Routliffe E / Sutjiadi A — Neel I / Olmos G

Khromacheva I / Samsonova L — Maleckova J / Skoch M

Kichenok L / Muhammad A — Hunter S / Mladenovic K

Chan Hao-Ching / Kato M — Mihalikova T / Nicholls O

Hsieh Su-Wei / Ostapenko J — Jiang Xinyu / Wang Xiyu

Errani S / Paolini J — Detiuc A / Wu Fang-Hsien

Siniakova K / Zhang Shuai — Feng Shuo / Yuan Yue

Aoyama S / Liang En Shuo — Danilina A / Krawczyk D