Stadium: Court 5 Round: 26 Ground: Hardcourt outdoor
| ATP Kitzbuhel - MD | 2018/08/02 09:00 | Peralta/Zeballos v Jebavy/Molteni | 3-6,5-7 |
| ATP Kitzbuhel - MD | 2018/08/01 11:00 | Peralta/Zeballos v Krawietz/P-Castillo | 6-3,7-5 |
| ATP Hamburg - MD | 2018/07/29 10:50 | Marach/Pavic v Peralta/Zeballos | 1-6,6-4,6-10 |
| ATP Hamburg - MD | 2018/07/28 11:30 | Peralta/Zeballos v Mclachlan/Struff | 4-6,7-5,10-7 |
| ATP Hamburg - MD | 2018/07/27 09:00 | Peralta/Zeballos v Cuevas/Lopez | 6-7,6-4,10-8 |
| ATP Hamburg - MD | 2018/07/25 15:50 | Klizan/Kovalik v Peralta/Zeballos | 2-6,7-6,4-10 |
| ATP Bastad - MD | 2018/07/22 14:05 | Bolelli/Fognini v Peralta/Zeballos | 3-6,4-6 |
| ATP Bastad - MD | 2018/07/20 11:00 | Melzer/Petzschner v Peralta/Zeballos | 3-6,2-6 |