Stadium: Court 4 Round: 25 Ground: Clay
| ITF M25 Most | 2023/05/25 08:00 | Timo Stodder v Dylan Dietrich | 3-6,6-2,7-5 |
| ITF M25 Most | 2023/05/24 07:55 | Dylan Dietrich v Jan Pleva | 6-2,6-4 |
| ITF M25 Most | 2023/05/23 08:00 | Dylan Dietrich v Roman Postolka | 6-4,6-3 |
| ITF M25 Most | 2023/05/21 09:00 | Dylan Dietrich v Sebastian Buehler | 6-0,6-0 |
| ITF M25 Prague | 2023/05/16 09:35 | Patrik Rikl v Dylan Dietrich | 6-2,6-7,11-9 |
| ITF M25 Prague | 2023/05/15 10:30 | Matyas Cerny v Dylan Dietrich | 5-7,2-6 |
| ITF M25 Prague | 2023/05/14 07:30 | Philipp Pavlenko v Dylan Dietrich | 1-6,1-6 |
| ITF M15 Antalya | 2023/05/02 07:30 | Alexandr Binda v Dylan Dietrich | 1-6,6-1,10-8 |
| ITF M15 Mogi das Cruzes | 2023/04/29 13:15 | Orlando Luz v Joao Fonseca | 7-5,6-2 |
| ITF M15 Mogi das Cruzes | 2023/04/28 15:50 | Rafael Tosetto v Joao Fonseca | 2-6,0-6 |
| ITF M15 Mogi das Cruzes | 2023/04/27 16:55 | Gabriel Roveri Sidney v Joao Fonseca | 1-6,2-6 |
| ITF M15 Mogi das Cruzes | 2023/04/25 23:00 | Joao M Nusdeo v Joao Fonseca | 4-6,3-6 |
| Challenger Florianopolis | 2023/04/21 14:00 | Eduardo Ribeiro v Joao Fonseca | 6-1,6-7,7-5 |
| Challenger Florianopolis | 2023/04/20 16:15 | Joao Fonseca v Thiago Seyboth Wild | 3-6,6-3,6-4 |
| Challenger Florianopolis | 2023/04/17 18:05 | Gonzalo Lama v Joao Fonseca | 3-6,3-6 |
| ATP Rio De Janeiro | 2023/02/20 19:30 | Alex Molcan v Joao Fonseca | 6-0,6-3 |