Stadium: Estadio Central Round: 28 Ground: Clay
| Challenger Santo Domingo MD | 2018/10/11 23:15 | Lipovsek Puches/Londero v Escobar/Romboli | 6-7,7-6,11-9 |
| Challenger Campinas MD | 2018/10/03 15:00 | Lipovsek Puches/Londero v Dellien/Duran | 6-7,3-6 |
| Challenger Banja Luka MD | 2018/09/12 11:30 | Krawietz/Mies v Lipovsek Puches/Londero | 7-6,6-4 |
| Challenger Blois MD | 2018/06/21 10:30 | Lipovsek Puches/Londero v Denolly/Muller | 7-6,6-2 |
| Challenger Santiago MD | 2018/03/06 19:10 | Lipovsek Puches/Londero v Agamenone/Galdos | 3-6,0-6 |
| Challenger Santo Domingo MD | 2018/10/12 02:00 | Melzer/Melzer v Paes/R-Valera | 5-7,6-7 |
| Challenger Santo Domingo MD | 2018/10/12 00:40 | Elias/Krstin v Paes/R-Valera | 3-6,0-6 |
| Challenger Santo Domingo MD | 2018/10/11 00:30 | Elias/Krstin v Paes/R-Valera | 3-6,0-6 |
| Challenger Monterrey MD | 2018/10/07 19:00 | Paes/R-Valera v Arevalo/Nedun'yan | 1-6,4-6 |
| Challenger Monterrey MD | 2018/10/06 21:30 | Paes/R-Valera v Kokkinakis/Reid | 6-7,7-5,10-8 |
| Challenger Monterrey MD | 2018/10/05 02:25 | Paes/R-Valera v Behar/Quiroz | 6-7,6-4,10-5 |
| Challenger Monterrey MD | 2018/10/04 02:45 | Paes/R-Valera v Ferrer/Martinez | 6-3,6-4 |
| ATP Chengdu MD | 2018/09/24 06:00 | Dodig/Pavic v Paes/R-Valera | 4-6,6-3,10-5 |