Stadium: Quadra 2 Round: 26 Ground: Clay
| ITF M15 Sao Paulo | 2023/08/22 14:00 | Julian Cundom v Luis Britto | 2-6,6-3,7-10 |
| ITF M15 Sao Paulo | 2023/08/21 14:00 | Nicolas Hollender v Luis Britto | 6-3,3-6,5-10 |
| ITF M15 Belem | 2023/08/14 13:00 | Luis Britto v Diego Ortiz Gamonal | 6-3,3-6,3-10 |
| ITF M25 Pitesti | 2023/07/31 07:00 | Luis Britto v William Jucha | 7-5,3-6,6-10 |
| ITF M25 Pitesti | 2023/07/30 06:00 | Luis Britto v Esteban Bruna | 1-6,6-2,10-7 |
| ITF M25 Esch/Alzette | 2023/07/19 09:30 | Luis Britto v Stijn Pel | 6-4,2-6,4-6 |
| ITF M25 Esch/Alzette | 2023/07/17 17:00 | Luis Britto v Stijn Pel | 2-6,4-6 |
| ITF M25 Esch/Alzette | 2023/07/17 11:55 | Luis Britto v Joaquin Leon Macchiavello | 7-6,6-2 |
| ITF M15 Sao Paulo | 2023/08/23 15:55 | Joao Eduardo Schiessl v Joao Victor C Loureiro | 6-1,6-4 |
| ITF M15 Belem | 2023/08/18 19:00 | Rodrigo Pacheco Mendez v Joao Eduardo Schiessl | 6-2,6-3 |
| ITF M15 Belem | 2023/08/17 19:25 | Joao M Nusdeo v Joao Eduardo Schiessl | 1-6,2-6 |
| ITF M25 Esch/Alzette | 2023/07/19 15:35 | Joao Eduardo Schiessl v Samuel Brosset | 7-6,5-7,4-6 |
| ITF M25 Biella | 2023/07/06 14:00 | Joao Eduardo Schiessl v Stefano Napolitano | 1-6,3-6 |
| ITF M25 Biella | 2023/07/05 11:50 | Giorgio Tabacco v Joao Eduardo Schiessl | 6-7,6-7 |
| ITF M25 Biella | 2023/07/04 16:45 | Joao Eduardo Schiessl v Ryusuke Horiuchi | 6-0,6-3 |
| ITF M25 Biella | 2023/07/03 11:00 | Joao Eduardo Schiessl v Bautista Vilicich | 6-0,7-5 |