| (3) | Marcel Granollers ESP Horacio Zeballos ARG |
√ | 1 | 6 | 10 | |
| (2) | Nikola Mektic CRO Mate Pavic CRO |
6 | 3 | 8 | ||
| Winners: GRANOLLERS / ZEBALLOS | Time : 01:12:53 | |||||
| (5) | Alexander Zverev GER | √ | 68 | 6 | 6 | |
| (8) | Matteo Berrettini ITA | 7 | 4 | 3 | ||
| Winner: A. ZVEREV | Time : 02:40:54 | |||||
| Alejandro Juan Mano ESP | √ | 6 | 6 | |||
| Ignacio Parisca VEN | 1 | 2 | ||||
| Winner: A. JUAN MANO | Time : 01:00:34 | |||||