Stadium: Rado Center Court Round: 25 Ground: Clay
| ITF M25 Esch/Alzette | 2023/07/19 12:05 | Guy Den Heijer v Jan Sebesta | 6-7,7-6,6-3 |
| ITF M25 Klosters | 2023/07/04 07:00 | Jan Sebesta v Dylan Dietrich | 4-6,6-7 |
| ITF M25 Klosters | 2023/07/03 11:15 | Jan Sebesta v Andrin Casanova | 2-6,2-6 |
| ITF M25 Klosters | 2023/07/02 13:00 | Jan Sebesta v Jakob Cadonau | 6-2,6-3 |
| ITF M25 Toulouse | 2023/03/22 13:00 | Loann Massard v Jan Sebesta | 6-1,6-3 |
| ITF M25 Toulouse | 2023/03/21 11:15 | Jan Sebesta v Paul Barbier Gazeu | 3-6,6-2,10-6 |
| ITF M25 Toulouse | 2023/03/20 15:10 | Jan Sebesta v Romain Vial | 6-3,6-2 |
| ITF M25 Trimbach | 2023/03/15 13:05 | Jan Sebesta v Beibit Zhukayev | 6-7,2-6 |
| Challenger Zug | 2023/07/25 10:30 | Alexander Ritschard v Tim Handel | 6-2,6-1 |
| Challenger Zug | 2023/07/24 09:00 | Eduardo Ribeiro v Tim Handel | 6-7,6-7 |
| Challenger Zug | 2023/07/23 09:00 | Tim Handel v Karl Friberg | 6-4,4-6,7-6 |
| Challenger Karlsruhe | 2023/07/06 13:40 | Zsombor Piros v Tim Handel | 7-6,6-3 |
| Challenger Karlsruhe | 2023/07/04 11:40 | Tim Handel v Dali Blanch | 5-7,7-5,6-0 |
| Challenger Karlsruhe | 2023/07/02 13:25 | Tim Handel v Vladyslav Orlov | 6-4,6-4 |
| ITF M25 Bourg-en-Bresse | 2023/06/29 10:45 | Tim Handel v Martin Landaluce | 7-6,1-6,1-6 |
| ITF M25 Bourg-en-Bresse | 2023/06/27 13:05 | Mohamed Safwat v Tim Handel | 4-6,6-7 |