Stadium: Quadra 1 Round: 28 Ground: Clay
| ATP Rio de Janeiro MD | 2018/02/23 01:30 | Kubot/Melo v Molteni/Zeballos | 6-7,2-6 |
| ATP Rio de Janeiro MD | 2018/02/22 22:15 | Molteni/Zeballos v Bellucci/Sa | 6-1,6-3 |
| ATP Buenos Aires MD | 2018/02/18 15:00 | Cabal/Farah v Molteni/Zeballos | 3-6,7-5,3-10 |
| ATP Buenos Aires MD | 2018/02/17 15:00 | Molteni/Zeballos v Duran/Gonzalez | 7-6,7-6 |
| ATP Buenos Aires MD | 2018/02/15 22:10 | Podlipnik-Castillo/Vasilevski v Molteni/Zeballos | 1-6,5-7 |
| ATP Buenos Aires MD | 2018/02/12 18:45 | Descloix/Monfils v Molteni/Zeballos | 4-6,5-7 |
| 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 |
| ATP Sofia MD | 2018/02/11 12:00 | Haase/Middelkoop v Mektic/Peya | 5-7,6-4,10-4 |
| ATP Sofia MD | 2018/02/09 13:50 | Monroe/Smith v Mektic/Peya | 2-6,4-6 |
| ATP Sofia MD | 2018/02/08 13:20 | Marterer/Sousa v Mektic/Peya | 3-6,3-6 |
| ATP Sofia MD | 2018/02/06 11:40 | Donskoy/Youzhny v Mektic/Peya | 2-6,4-6 |
| Australian Open MD | 2018/01/19 00:00 | Mektic/Peya v Cabal/Farah | 6-7,5-7 |