Zhang Zhizhen — Wong C

Jacquet K — Etcheverry T M

Marozsan F — Daniel T

Hijikata R — Rublev A

Faria J — Gaston H

Bu Yunchaokete — Majchrzak K

Halys Q — Safiullin R

Medvedev D — Royer V

Cerundolo J M — Zhou Yi

Kopriva V — Shapovalov D

Brooksby J — Sonego L

Tabilo A — Mannarino A

Basilashvili N — Van de Zandschulp B

Cina F — Muller A

Vacherot V — Harris L

Damm M — Hurkacz H

Johnson L / Zielinski J — Doumbia S / Reboul F

Peers J / Venus M — Stevenson D / Willis M

Cash R / Erler A — Frantzen C / Haase R

Borges N / Cerundolo J M — Schnaitter J / Wallner M

Hu Jia / Lu Hanlei — Wang Aoran / Zhou Yi

Arribage T / Olivetti A — Escobar G / Kaliyanda Poonacha N

Galloway R / Goransson A — Mannarino A / Muller A

Rojer J-J / Winegar T — Lammons N / Withrow J

Gonzalez M / Molteni A — Gonzalez S / Jebens H

Cui Jie / Te Rigele — King E / Stevens B

Liutarevich I / Safiullin R — Nouza P / Oberleitner N

Cabral F / Tracy J — Sun Fajing / Zhang Zhizhen

Halys Q / Miedler L — Marozsan F / Rikl P

Reynolds F / Watt J — Gille S / Verbeek S