Zverev A — Griekspoor T

Harris B — Mochizuki S

Auger-Aliassime F — Zhang Zhizhen

Cobolli F — Wawrinka S

Germany — Netherlands

Canada — China

Italy — Switzerland

Vukic A — Tiafoe F

Ugo Carabelli C — Tien L

Opelka R — Fonseca J

Medvedev D — Fucsovics M

Lehecka J — Machac T

Norrie C — Humbert U

Vacherot V — Korda S

Kyrgios N — Kovacevic A

Nakashima B — Davidovich Fokina A

Mpetshi Perricard G — Paul T

Cazaux A — Carreno Busta P

Sweeny Dane — O'Connell C

Atmane T — Duckworth J

Quinn E — Collignon R

Majchrzak K — Halys Q

Arnaldi M — Hijikata R

Behar A / Vliegen J — Popyrin Al / Shapovalov D

Schnaitter J / Wallner M — Korda S / Nakashima B

Ebden M / Ram R — Kokkinakis T / Kyrgios N

Gonzalez S / Rojer J-J — Demoliner M / Mpetshi Perricard G

Majchrzak K / Ugo Carabelli C — Davidovich Fokina A / Lehecka J

Duckworth J / Hewitt C — Luz O / Matos R

Collignon R / Vacherot V — Fearnley J / Hidalgo D

Machac T / Vocel M — Melo M / Romboli F

Etcheverry T M — Royer V

Wong C — Navone M

Sonego L — Sakamoto R

Cilic M — Mannarino A

Wu Yibing — Marozsan F

Shang Juncheng — Comesana F

De Jong J — Diallo G

Dzumhur D — Borges N

Muller A — Kecmanovic M

Ymer E — Djere L

Tabilo A — Van Assche L

Zhou Yi — Maestrelli F

Garin C — Mmoh M

Sachko V — Kypson P

Basavareddy N — Bu Yunchaokete

Struff J-L — Piros Z