Stadium: Court 4 Round: 25 Ground: Clay
| ITF M25 Mulhouse | 2023/10/30 10:00 | Simon Reveniau v Jan Jermar | 6-2,6-2 |
| ITF M25 Mulhouse | 2023/10/29 11:20 | Jan Jermar v Bohua Dong | 6-3,6-2 |
| ITF M25 Pardubice | 2023/09/17 08:00 | Jan Jermar v Vojtech Mares | 3-6,4-6 |
| UTR Pro Olomouc | 2023/09/16 09:00 | Jan Jermar v Mikolaj Lis | 3-6,3-5 |
| UTR Pro Olomouc | 2023/09/15 06:00 | Dimitrije Zubac v Jan Jermar | 5-7,2-6 |
| UTR Pro Olomouc | 2023/09/14 11:46 | Lukas Rosol v Jan Jermar | 7-6,6-3 |
| UTR Pro Olomouc | 2023/09/12 06:00 | Pavel Nejedly v Jan Jermar | 6-2,5-1 |
| UTR Pro Olomouc | 2023/09/11 06:00 | Jan Jermar v Daniel Orlita | 3-6,6-3,6-7 |
| ITF M15 Antalya | 2023/11/30 11:20 | Mert Alkaya v Joao Eduardo Schiessl | 6-1,6-2 |
| 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 |