Gea A — Faria J

Shimabukuro S — Kecmanovic M

Kovacevic A — Berrettini M

Zhang Zhizhen — Machac T

Hanfmann Y — Majchrzak K

Mannarino A — Basilashvili N

Molcan A — Cina F

Trungelliti M — Sakamoto R

Hijikata R — Safiullin R

Rune H — Altmaier D

Halys Q — Wong C

Wu Yibing — Zheng M

Fery A — Cilic M

Munar J — Brooksby J

Hurkacz H — Duckworth J

Cerundolo J M — Mejia N

Coppejans K — Tsitsipas S

Marozsan F — Svajda Z

Ugo Carabelli C — Simakin I

Borges N — Diaz Acosta F

Kotov P — Griekspoor T

Tomic B — Arnaldi M

Norrie C — Svrcina D

Van de Zandschulp B — Merida Aguilar D

Van Assche L — Bu Yunchaokete

Navone M — Carreno Busta P

Landaluce M — Struff J-L

Vallejo A D — Royer V

Tirante T A — Medjedovic H

Giron M — Baez S

Kopriva V — Bergs Z