Stadium: Court 4 Round: 26 Ground: Clay
| ITF M15 Antalya | 2023/11/29 06:15 | Oscar Galimardanov v Joao Eduardo Schiessl | 7-6,6-7,5-7 |
| Challenger Curitiba | 2023/10/23 14:55 | Mateus Alves v Joao Eduardo Schiessl | 7-6,6-7,6-2 |
| ITF M25 Lajeado | 2023/10/13 13:00 | Eduardo Ribeiro v Joao Eduardo Schiessl | 6-2,6-3 |
| ITF M25 Lajeado | 2023/10/10 17:20 | Joao Eduardo Schiessl v Rafael Tosetto | 6-3,4-6,6-4 |
| Challenger Campinas | 2023/10/01 17:25 | Joao Eduardo Schiessl v Wilson Leite | 3-6,6-2,4-6 |
| ITF M25 Lujan | 2023/09/26 15:15 | Joao Eduardo Schiessl v Gonzalo Bueno | 6-4,6-7,3-6 |
| ITF M25 Lujan | 2023/09/25 17:15 | Joao Eduardo Schiessl v Gonzalo Zeitune | 6-2,7-5 |
| ITF M25 Lujan | 2023/09/24 17:00 | Joao Eduardo Schiessl v Rocco Valente | 6-1,7-5 |
| ITF M15 Limassol | 2023/11/29 15:00 | Sebastian Gima v Alexander Orlov | 6-4,6-2 |
| ITF M15 Heraklion | 2023/11/17 09:45 | Arthur Gea v Sebastian Gima | 6-4,6-1 |
| ITF M15 Heraklion | 2023/11/16 08:00 | Joel Schwaerzler v Sebastian Gima | 6-3,4-6,1-6 |
| ITF M15 Heraklion | 2023/11/14 13:20 | Pierre Delage v Sebastian Gima | 6-3,4-6,3-6 |
| ITF M25 Heraklion | 2023/11/09 07:30 | Sidane Pontjodikromo v Sebastian Gima | 7-5,1-6,6-2 |
| ITF M25 Heraklion | 2023/11/08 11:35 | Christos Glavas v Sebastian Gima | 2-6,6-7 |
| ITF M25 Heraklion | 2023/11/03 10:50 | Arthur Gea v Sebastian Gima | 4-6,6-1,6-1 |
| ITF M25 Heraklion | 2023/11/02 10:30 | Ronetto Van Tilburg v Sebastian Gima | 3-6,7-5,4-6 |