Hijikata R / Schoolkate T — Johnson L / Zielinski J

Arribage T / Olivetti A — Mannarino A / Martin F

Pavlasek A / Smith J-P — Harper P / Walton A

Cash J / Glasspool L — Behar A / Vliegen J

Griekspoor T / Van de Zandschulp B — Andreozzi G / Guinard M

Darderi L / Garin C — Krajicek A / Mektic N

Shang Juncheng / Zhang Zhizhen — Ebden M / Ram R

Duckworth J / Hewitt C — Bhambri Y / Goransson A

McCabe J / Tu Li — Bergs Z / Collignon R

Cash R / Tracy J — Frantzen C / Haase R

De Jong J / Verbeek S — Luz O / Matos R

Harrison C / Skupski N — Schnaitter J / Wallner M

Doumbia S / Reboul F — Arends S / Arneodo R

Hidalgo D / Trhac P — Heliovaara H / Patten H

Gonzalez S / Pel D — Melo M / Romboli F

Romios M / Seggerman R — Erler A / Galloway R

Kirkov V / Stevens B — Escobar G / Reyes-Varela M A

Arevalo M / Pavic M — Brkic T / Dzumhur D

Ho Ray / Jebens H — Bolelli S / Vavassori A

Baez S / Comesana F — Granollers M / Zeballos H

Paul J / Willis M — King E / Peers J

Bolt A / Sweeny D — Moutet C / Sanchez L

Majchrzak K / Quinn E — Herbert P-H / Thompson J

Kokkinakis T / Kyrgios N — Kubler J / Polmans M

Etcheverry T M / Ugo Carabelli C — Cerundolo F / Cerundolo J M