| date | Pair 1 | sets | Pair 2 | set 1 | set 2 | TB | dur (pts)  | 
| Wed 24.10.18 | Marc-Andrea Huesler / Sem Verbeek |  SUI |  NED | WC | 0-0 | Raven Klaasen / Michael Venus |  RSA |  NZL | 1 | 7-5 | 5-7 | [10-5] | 1:33 (73-65) | 
| Wed 24.10.18 | Divij Sharan / Artem Sitak |  IND |  NZL |   | 2-1 | Matthew Ebden / Daniil Medvedev |  AUS |  RUS |   | 6-4 | 6-73 |   | 1:31 (77-72) | 
| Mon 22.10.18 | Jean-Julien Rojer / Horia Tecau |  NED |  ROU | 3 | 2-0 | Robin Haase / Matwe Middelkoop |  NED |  NED |   | 6-3 | 6-4 |   | 0:55 (56-42) | 
| Mon 22.10.18 | Alexander Zverev / Mischa Zverev |  GER |  GER |   | 2-1 | Nicholas Monroe / Jack Sock |  USA |  USA |   | 4-6 | 7-62 | [10-4] | 1:37 (79-76) | 
| Tue 23.10.18 | Dominic Inglot / Franko Skugor |  GBR |  CRO |   | 2-0 | Marco Cecchinato / Andreas Seppi |  ITA |  ITA |   | 6-3 | 6-4 |   | 0:55 (53-44) | 
| Mon 22.10.18 | Rohan Bopanna / Marcel Granollers |  IND |  ESP | 4 | 2-0 | Guillermo Garcia-Lopez / David Marrero |  ESP |  ESP | Q | 6-1 | 6-4 |   | 0:57 (49-39) | 
| Tue 23.10.18 | Julio Peralta / Horacio Zeballos |  CHI |  ARG |   | 2-1 | Henri Laaksonen / Luca Margaroli |  SUI |  SUI | WC | 6-74 | 6-3 | [10-5] | 1:28 (75-68) | 
| Tue 23.10.18 | Aisam Ul-Haq Qureshi / Stefanos Tsitsipas |  PAK |  GRE |   | 2-1 | Robert Lindstedt / Fabrice Martin |  SWE |  FRA | LL | 7-64 | 3-6 | [10-6] | 1:50 (70-74) |