Stadium: MTA 07 Round: 25 Ground: Clay
| ITF - M15 Antalya | 2023/11/28 06:30 | Ji Hoon Son v Oscar Galimardanov | 6-2,1-6,1-10 |
| ITF - M15 Antalya | 2023/11/27 06:15 | Umut Kaan Yenilmez v Oscar Galimardanov | 3-6,5-7 |
| ITF - M15 Antalya | 2023/11/26 07:00 | Makar Elesin v Oscar Galimardanov | 2-6,0-6 |
| ITF - M15 Sharm El Sheikh | 2023/10/25 07:00 | Oscar Galimardanov v Vadym Ursu | 3-6,4-6 |
| ITF - M15 Sharm El Sheikh | 2023/10/19 08:45 | Oscar Galimardanov v Vadym Ursu | 3-6,1-6 |
| ITF - M15 Sharm El Sheikh | 2023/10/18 11:35 | Lukas Pokorny v Oscar Galimardanov | 3-6,5-7 |
| ITF - M15 Sharm El Sheikh | 2023/10/10 08:50 | Artur Kukasian v Oscar Galimardanov | 5-7,6-4,10-7 |
| ITF - M15 Sharm El Sheikh | 2023/10/09 09:30 | Oscar Galimardanov v Imran Sibille | 7-6,6-3 |
| Challenger - Curitiba | 2023/10/23 14:55 | Mateus Alves v Joao Eduardo Schiessl | 7-6,6-7,6-2 |
| Challenger - Curitiba | 2023/10/23 14:30 | 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 |