| date | Pair 1 | sets | Pair 2 | set 1 | set 2 | set 3 | 
| Mon 15.07.19 | B Klahn / D Kudla |  USA |  USA |  | 2-1 | Santiago Gonzalez / Aisam Ul-Haq Qureshi |  MEX |  PAK | 1 | 3-6 | 7-64 | 14-12 | 
| Mon 15.07.19 | Marcelo Arevalo / Miguel Angel Reyes-Varela |  ESA |  MEX |  | 2-0 | Tennys Sandgren / Max Schnur |  USA |  USA | WC | 6-3 | 6-4 |  | 
| Mon 15.07.19 | Ben Mclachlan / John-Patrick Smith |  NZL |  AUS | 4 | 2-0 | Ugo Humbert / Hugo Nys |  FRA |  FRA |  | 6-3 | 7-67 |  | 
| Mon 15.07.19 | Nicholas Monroe / Mischa Zverev |  USA |  GER |  | 2-1 | M Cressy / K Smith |  FRA |  USA | WC | 7-65 | 6-74 | 10-7 | 
| Mon 15.07.19 | Matthew Ebden / Robert Lindstedt |  AUS |  SWE |  | 2-0 | A Bublik / Denis Istomin |  RUS |  UZB |  | 7-5 | 6-2 |  | 
| Mon 15.07.19 | Marcus Daniell / Leander Paes |  NZL |  IND | 3 | 2-1 | Max Purcell / Luke Saville |  AUS |  AUS |  | 2-6 | 6-2 | 10-5 | 
| Mon 15.07.19 | Mao-Xin Gong / Z Zhang |  CHN |  CHN |  | 2-0 | Jeevan Nedunchezhiyan / Purav Raja |  IND |  IND |  | 7-63 | 7-610 |  | 
| Mon 15.07.19 | Marcel Granollers / S Stakhovsky |  ESP |  UKR |  | 2-1 | Jonathan Erlich / Artem Sitak |  ISR |  NZL | 2 | 6-76 | 6-3 | 11-9 |