| date | Pair 1 | sets | Pair 2 | set 1 | set 2 | TB | 
| Mon 08.04.19 | Bob Bryan / Mike Bryan |  USA |  USA | 1 | 2-1 | R Galloway / N Lammons |  USA |  USA | WC | 6-3 | 6-75 | [10-4] | 
| Mon 08.04.19 | J Nedunchezhiyan / Purav Raja |  IND |  IND |  | 2-1 | Nicholas Monroe / Miguel Angel Reyes-Varela |  USA |  MEX |  | 6-3 | 6-75 | [10-8] | 
| Mon 08.04.19 | Taylor Fritz / R Opelka |  USA |  USA |  | 2-0 | Luke Bambridge / Jonny O'Mara |  GBR |  GBR | 3 | 6-3 | 6-4 |  | 
| Mon 08.04.19 | Santiago Gonzalez / Aisam Ul-Haq Qureshi |  MEX |  PAK |  | 2-0 | Marcel Granollers / Matt Reid |  ESP |  AUS |  | 6-1 | 7-5 |  | 
| Mon 08.04.19 | Jeremy Chardy / Fabrice Martin |  FRA |  FRA |  | 2-0 | Pablo Cuevas / H Dellien |  URU |  BOL |  | 7-5 | 6-3 |  | 
| Mon 08.04.19 | Ken Skupski / Neal Skupski |  GBR |  GBR | 4 | 2-1 | B Klahn / Sam Querrey |  USA |  USA |  | 6-3 | 2-6 | [11-9] | 
| Mon 08.04.19 | Ryan Harrison / Mackenzie McDonald |  USA |  USA |  | 2-1 | Marcelo Arevalo / James Cerretani |  ESA |  USA |  | 4-6 | 6-4 | [10-2] | 
| Mon 08.04.19 | Austin Krajicek / Artem Sitak |  USA |  NZL | 2 | 2-1 | Leyton Hewitt / Jordan Thompson |  AUS |  AUS | WC | 6-2 | 4-6 | [10-8] |