Stadium: Center Court Round: 26 Ground: Clay
| ITF M15 Duffel | 2023/06/13 16:05 | Jakub Paul v Marlon Vankan | 2-6,3-6 |
| ITF M15 Duffel | 2023/06/12 08:00 | Marlon Vankan v Karlo Cubelic | 3-6,7-5,10-6 |
| ITF M15 Duffel | 2023/06/11 08:00 | Marlon Vankan v Louis Van Herck | 6-3,4-6,10-3 |
| UTR Pro Hilversum | 2023/05/06 08:31 | Hugo Pierre v Marlon Vankan | 7-5,1-1 |
| UTR Pro Hilversum | 2023/05/05 06:00 | Federico Moreno v Marlon Vankan | 7-5,2-6,1-6 |
| UTR Pro Hilversum | 2023/05/03 08:21 | Marlon Vankan v Ole Bredschneijder | 7-6,6-2 |
| UTR Pro Hilversum | 2023/05/02 09:46 | Marlon Vankan v Yanais Laurent | 3-6,6-0,4-6 |
| UTR Pro Hilversum | 2023/05/01 09:44 | Marlon Vankan v Roland Stuurman | 4-6,2-6 |
| ITF M15 Duffel | 2023/06/14 08:00 | Dylan Dietrich v Joao Fonseca | 3-6,3-6 |
| 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 |