Stadium: Court 2 Round: 19 Ground: Clay
| Challenger Coquimbo | 2023/05/01 18:40 | Eduardo Ribeiro v Joao Lucas Reis da Silva | 2-6,3-6 |
| Challenger Florianopolis | 2023/04/22 14:30 | Tomas Barrios Vera v Eduardo Ribeiro | 6-3,6-4 |
| Challenger Florianopolis | 2023/04/21 14:00 | Eduardo Ribeiro v Joao Fonseca | 6-1,6-7,7-5 |
| Challenger Florianopolis | 2023/04/20 13:00 | Andrea Collarini v Eduardo Ribeiro | 7-6,6-7,4-6 |
| Challenger Florianopolis | 2023/04/17 18:25 | Eduardo Ribeiro v Valerio Aboian | 6-4,5-7,6-3 |
| ITF M25 Mosquera | 2023/03/23 14:25 | Eduardo Ribeiro v Victor Lilov | 4-6,6-7 |
| ITF M25 Mosquera | 2023/03/22 19:55 | Eduardo Ribeiro v Arvid Nordquist | 6-3,6-4 |
| ITF M25 Anapoima | 2023/03/18 18:50 | Eduardo Ribeiro v Terence Atmane | 6-7,0-6 |
| ITF M25 Santa Margherita | 2023/05/05 08:00 | Tommaso Compagnucci v Sebastian Fanselow | 2-6,3-6 |
| ITF M25 Santa Margherita | 2023/05/04 09:30 | Sebastian Fanselow v Giovanni Oradini | 6-7,6-3,7-5 |
| ITF M25 Santa Margherita | 2023/05/03 15:55 | Sebastian Fanselow v Piotr Matuszewski | 7-5,1-6,6-4 |
| ITF M25 Santa Margherita | 2023/05/01 11:00 | Sebastian Fanselow v Kai Wehnelt | 4-6,7-6,6-3 |
| Challenger Rome | 2023/04/23 08:00 | Sebastian Fanselow v Denis Istomin | 4-6,6-4,3-6 |
| Challenger Oeiras | 2023/04/16 10:10 | Jaime Faria v Sebastian Fanselow | 6-4,7-5 |
| Challenger St Brieuc | 2023/03/23 19:45 | Evan Furness v Sebastian Fanselow | 2-6,6-1,6-4 |
| Challenger St Brieuc | 2023/03/21 19:00 | Sebastian Fanselow v Antoine Hoang | 6-4,6-3 |