Stadium: Estadio Central Round: 46 Ground: Clay
| Challenger Santo Domingo | 2018/10/06 19:45 | Jesus M Rosario v Riccardo Bellotti | 0-6,0-6 |
| Challenger Monterrey | 2018/09/30 17:45 | Zsombor Piros v Riccardo Bellotti | 7-5,6-3 |
| Challenger Monterrey | 2018/09/29 19:15 | Riccardo Bellotti v Mark Vervoort | 6-1,6-2 |
| Challenger Sevilla | 2018/09/02 08:00 | Mario Vilella Martinez v Riccardo Bellotti | 6-4,6-2 |
| Challenger Sevilla | 2018/09/01 08:00 | Gonzalo Lama v Riccardo Bellotti | 1-6,6-2,2-6 |
| Challenger Mallorca | 2018/08/26 12:45 | Lloyd Glasspool v Riccardo Bellotti | 6-4,3-6,6-1 |
| Challenger Mallorca | 2018/08/26 08:55 | Riccardo Bellotti v Jake Hersey | 7-6,7-6 |
| Challenger Meerbusch | 2018/08/13 17:00 | Elliot Benchetrit v Riccardo Bellotti | 6-2,6-1 |
| Challenger Santo Domingo | 2018/10/06 18:05 | Joao Souza v Renzo Olivo | 6-4,6-2 |
| Challenger Campinas | 2018/10/02 15:15 | Joao Souza v Fabrizio Ornago | 6-7,6-7 |
| Challenger Campinas | 2018/09/30 16:15 | Franco Agamenone v Joao Souza | 4-6,2-6 |
| Challenger Campinas Qual | 2018/09/29 13:00 | Joao M Nusdeo v Joao Souza | 2-6,0-6 |
| Challenger Tiburon | 2018/09/22 21:55 | Joao Souza v Jenson Brooksby | 5-7,1-6 |
| Challenger Szczecin | 2018/09/08 09:00 | Joao Souza v Andres Molteni | 6-3,5-7,6-7 |
| Challenger Genova | 2018/09/03 12:00 | Joao Souza v Andrea Pellegrino | 6-0,3-6,4-6 |
| Challenger Genova | 2018/09/03 08:00 | Joao Souza v Mate Delic | 6-2,7-5 |