Stadium: Cancha 1 Round: 26 Ground: Clay
| Challenger Buenos Aires MD | 2018/11/14 17:30 | Casanova/Galarza v Clezar/Domingues | 6-4,3-6,10-7 |
| Challenger Cordenons MD | 2018/08/16 16:00 | Clezar/Domingues v Balzerani/Forti | 4-6,6-4,10-5 |
| Challenger Cordenons MD | 2018/08/15 16:15 | Bracciali/Ocleppo v Clezar/Domingues | 5-7,2-6 |
| Challenger Liberec MD | 2018/07/30 14:40 | Clezar/Domingues v Bonzi/Vervoort | 4-6,2-6 |
| Challenger Prague MD | 2018/07/24 12:55 | Polasek/Rikl v Clezar/Domingues | 7-6,7-5 |
| Challenger Santiago MD | 2018/03/07 19:00 | Clezar/Domingues v Bagnis/Behar | 5-7,1-6 |