Stadium: Stadium 7 Round: 25 Ground: Hardcourt outdoor
| ATP Acapulco MD | 2018/03/03 00:30 | Murray/Soares v Mektic/Peya | 7-5,6-3 |
| ATP Acapulco MD | 2018/03/02 01:50 | Mektic/Peya v Marach/Pavic | 7-5,7-5 |
| ATP Acapulco MD | 2018/03/01 05:20 | Arevalo/Reyes-Varela v Mektic/Peya | 4-6,4-6 |
| ATP Rio de Janeiro MD | 2018/02/25 00:15 | Mektic/Peya v Marrero/Verdasco | 7-5,5-7,8-10 |
| ATP Rio de Janeiro MD | 2018/02/23 21:00 | Molteni/Zeballos v Mektic/Peya | 4-6,6-3,7-10 |
| ATP Rio de Janeiro MD | 2018/02/22 19:30 | Mektic/Peya v Pella/Schwartzman | 7-5,6-3 |
| ATP Rio de Janeiro MD | 2018/02/21 19:30 | Cabal/Farah v Mektic/Peya | 6-7,5-7 |
| ATP Buenos Aires MD | 2018/02/14 20:30 | Mektic/Peya v Marrero/Verdasco | 6-3,3-6,8-10 |