| date | Pair 1 | sets | Pair 2 | set 1 | set 2 | set 3 | 
| --- --.09.18 | Leander Paes / Miguel Angel Reyes-Varela |  IND |  MEX |   | 2-0 | Dominic Inglot / Franko Skugor |  --- |  CRO | 1 | 7-65 | 7-65 |   | 
| --- --.09.18 | M Berrettini / Fabio Fognini |  ITA |  ITA |   | 2-1 | Andrey Rublev / Denis Shapovalov |  RUS |  CAN |   | 2-6 | 6-2 | 10-5 | 
| --- --.09.18 | E Donskoy / Karen Khachanov |  RUS |  RUS |   | 2-1 | Robert Lindstedt / Rajeev Ram |  SWE |  USA | 4 | 6-3 | 1-6 | 10-6 | 
| --- --.09.18 | Max Mirnyi / Philipp Oswald |  BLR |  AUT |   | 2-0 | M Basic / Damir Dzumhur |  BIH |  BIH |   | 6-3 | 7-61 |   | 
| --- --.09.18 | Philipp Petzschner / T Puetz |  GER |  GER | PR | 2-0 | D Bracciali / Marco Cecchinato |  ITA |  ITA |   | 6-2 | 6-0 |   | 
| --- --.09.18 | Roman Jebavy / Matwe Middelkoop |  CZE |  NED | 3 | 2-0 | Marcin Matkowski / Nicholas Monroe |  POL |  USA |   | 6-4 | 6-4 |   | 
| --- --.09.18 | Mikhail Elgin / Denis Istomin |  RUS |  UZB | WC | 2-0 | T Gabashvili / E Karlovskiy |  RUS |  RUS | WC | 6-3 | 6-3 |   | 
| --- --.09.18 | Julio Peralta / Horacio Zeballos |  CHI |  ARG | 2 | 2-1 | Andre Begemann / Jan-Lennard Struff |  GER |  GER |   | 4-6 | 7-5 | 10-8 |