| David Goffin (1) | Bye | | | | | | | | |
| Bye | - | David Goffin (1) | 5 6 6 | | | | | | |
| Cedrik-Marcel Stebe | 5 2 | Victor Estrella Burgos | 7 3 2 | | | | | | |
| Victor Estrella Burgos | 7 6 | | | David Goffin (1) | 3 6 3 | | | | |
| Lukas Rosol | 6 (2) 6 7 (7) | | | Alexander Zverev (8) | 6 4 6 | | | | |
| Denis Istomin | 7 (7) 4 6 (2) | Lukas Rosol | 3 4 | | | | | | |
| Malek Jaziri | 6 3 2 | Alexander Zverev (8) | 6 6 | | | | | | |
| Alexander Zverev (8) | 4 6 6 | | | | | Alexander Zverev (8) | 6 2 3 | | |
| Dominic Thiem (3) | Bye | | | | | Dominic Thiem (3) | 4 6 6 | | |
| Bye | - | Dominic Thiem (3) | 7 6 | | | | | | |
| Mischa Zverev | 5 6 (5) | Santiago Giraldo | 5 4 | | | | | | |
| Santiago Giraldo | 7 7 (7) | | | Dominic Thiem (3) | 6 4 6 | | | | |
| Ivan Dodig | 7 (7) 6 | | | Ivan Dodig | 4 6 3 | | | | |
| Ernests Gulbis | 6 (3) 2 | Ivan Dodig | 7 (7) 6 | | | | | | |
| Mikhail Youzhny | 3 0 ret. | Thomaz Bellucci (6) | 6 (5) 3 | | | | | | |
| Thomaz Bellucci (6) | 6 1 | | | | | | | Dominic Thiem (3) | 6 (7) 6 6 (4) |
| Vasek Pospisil (7) | 7 (7) 3 2 | | | | | | | Philipp Kohlschreiber (4) | 7 (9) 4 7 (7) |
| Jan-Lennard Struff | 6 (5) 6 6 | Jan-Lennard Struff | 2 6 3 | | | | | | |
| Juan Martin Del Potro | 7 (7) 6 | Juan Martin Del Potro | 6 3 6 | | | | | | |
| Dustin Brown | 6 (2) 4 | | | Juan Martin Del Potro | 4 1 | | | | |
| Matthias Bachinger | 4 4 | | | Philipp Kohlschreiber (4) | 6 6 | | | | |
| Florian Mayer | 6 6 | Florian Mayer | 3 2 | | | | | | |
| Bye | - | Philipp Kohlschreiber (4) | 6 6 | | | | | | |
| Philipp Kohlschreiber (4) | Bye | | | | | Philipp Kohlschreiber (4) | 6 6 | | |
| Fabio Fognini (5) | 6 6 | | | | | Fabio Fognini (5) | 1 4 | | |
| Maximilian Marterer | 3 1 | Fabio Fognini (5) | 6 7 | | | | | | |
| Mikhail Kukushkin | 6 3 | Mikhail Kukushkin | 3 5 | | | | | | |
| Evgeny Donskoy | 2 0 ret. | | | Fabio Fognini (5) | 6 3 7 | | | | |
| Marco Cecchinato | 2 4 | | | Jozef Kovalik | 2 6 5 | | | | |
| Igor Sijsling | 6 6 | Igor Sijsling | 3 4 | | | | | | |
| Bye | - | Jozef Kovalik | 6 6 | | | | | | |
| Jozef Kovalik | Bye | | | | | | | | |
