Stadium: Court 4 Round: 62 Ground: Clay
| ITF - M25 Pardubice | 2022/09/18 11:00 | Jiri Cizek v John Sperle | 3-6,0-6 |
| ITF - M25 Sabadell | 2023/09/24 07:30 | John Sperle v Carlos Giraldi | 6-0,6-3 |
| ITF - M15 Buschhausen | 2023/09/12 10:00 | Justin Engel v John Sperle | 6-2,6-3 |
| ITF - M15 Vienna | 2023/09/01 11:25 | Gerald Melzer v John Sperle | 6-2,6-0 |
| ITF - M15 Vienna | 2023/08/31 08:00 | John Sperle v Buvaysar Gadamauri | 6-1,6-2 |
| ITF - M15 Vienna | 2023/08/30 09:50 | Paul Werren v John Sperle | 2-6,6-2,4-6 |
| ITF - M15 Huy | 2023/08/25 15:30 | Buvaysar Gadamauri v John Sperle | 6-3,6-4 |
| ITF - M15 Huy | 2023/08/25 12:20 | John Sperle v Stijn Slump | 6-3,7-6 |
| ITF - M15 Huy | 2023/08/22 11:00 | John Sperle v Andrea Gola | 3-6,6-1,6-2 |
| ITF - M25 Sabadell | 2023/09/24 07:30 | Axel Herberg Amoros v Jiri Cizek | 3-6,2-6 |
| ITF - M25 Jablonec Nad Nisou | 2023/08/31 08:45 | Timo Stodder v Jiri Cizek | 6-4,6-1 |
| ITF - M25 Jablonec Nad Nisou | 2023/08/29 12:30 | Noel Larwig v Jiri Cizek | 4-6,2-6 |
| ITF - M25 Santander | 2023/08/20 09:00 | Sergio Callejon Hernando v Jiri Cizek | 6-2,6-4 |
| ITF - M15 Eupen | 2023/08/08 08:00 | Axel Garcian v Jiri Cizek | 7-6,6-1 |
| ITF - M15 Eupen | 2023/08/07 10:00 | Jiri Cizek v Marcel Hornung | 6-3,6-4 |
| ITF - M15 Wroclaw | 2023/06/26 09:00 | Jiri Cizek v Tomas Jirousek | 5-7,4-6 |
| ITF - M15 Wroclaw | 2023/06/25 08:00 | Jiri Cizek v Tomas Vaise | 3-6,6-4,10-6 |