Hunter S / Krawczyk D — Piter K / Tjen J

Perez E / Schuurs D — Kichenok L / Lumsden M

Li A / Tauson C — Kempen M / Panova A

Alexandrova E / Dabrowski G — Gauff C / McNally C

Hsieh Su-Wei / Ostapenko J — Sakkari M / Vekic D

Fernandez B J / Fernandez Leylah — Mertens E / Shnaider D

Jiang Xinyu / Wu Fang-Hsien — Bouzkova M / Noskova L

Chan H-C / Joint M — Aoyama S / Liang En Shuo

Kato M / Samsonova L — Eala A / Williams V

Kessler M / Pegula J — Errani S / Melichar N

Guo Hanyu / Mladenovic K — Routliffe E / Sutjiadi A

Neel I / Olmos G — Danilina A / Krunic A

Muhammad A / Stollar F — Tang Q / Xu Yifan

Bucsa C / Chong Eudice — Mihalikova T / Nicholls O

Andreescu B / Cross K — Eikeri U / Gleason Q

Siniakova K / Zhang Shuai — Andreeva M / Cirstea S