| date | Pair 1 | sets | Pair 2 | set 1 | set 2 | set 3 | 
| --- --.09.20 | Jean-Julien Rojer / Horia Tecau |  NED |  ROU |  | ret. | Juan Sebastian Cabal / Robert Farah |  COL |  COL | 1 | 6-6 |  |  | 
| --- --.09.20 | Nicolas Mahut / Fabrice Martin |  FRA |  FRA |  | 2-0 | Frederik Nielsen / Tim Puetz |  DEN |  GER | WC | 7-5 | 7-5 |  | 
| --- --.09.20 | Lukasz Kubot / Marcelo Melo |  POL |  BRA | 3 | 2-1 | Y Hanfmann / M Moraing |  GER |  GER | WC | 7-66 | 1-6 | 10-5 | 
| --- --.09.20 | John Peers / Michael Venus |  AUS |  NZL |  | 2-0 | Fabio Fognini / Henri Kontinen |  ITA |  FIN |  | 6-1 | 6-4 |  | 
| --- --.09.20 | Radu Albot / Aisam Ul-Haq Qureshi |  MDA |  PAK | q | 2-1 | Jamie Murray / Neal Skupski |  --- |   |  | 0-6 | 7-5 | 10-8 | 
| --- --.09.20 | Ivan Dodig / Mate Pavic |  CRO |  CRO |  | 2-1 | M Moeller / M Welte |  GER |  GER | LL | 6-3 | 3-6 | 10-6 | 
| --- --.09.20 | Kevin Krawietz / Andreas Mies |  GER |  GER |  | 2-0 | Raven Klaasen / Oliver Marach |  RSA |  AUT |  | 7-65 | 6-3 |  | 
| --- --.09.20 | Wesley Koolhof / Nikola Mektic |  NED |  CRO |  | 2-1 | Rajeev Ram / Joe Salisbury |  USA |  GBR | 2 | 6-4 | 6-70 | 12-10 |