Estadio: Court 8 Round: 26 Ground: Clay
| ITF M25 Arlon | 2023/06/28 11:55 | Olivier Rojas v Sandro Kopp | 2-6,3-6 |
| Challenger de Parma | 2023/06/19 08:00 | Blaz Rola v Sandro Kopp | 6-7,6-4,6-4 |
| Challenger de Parma | 2023/06/18 10:25 | Luca Castagnola v Sandro Kopp | 4-6,2-6 |
| Challenger de Bratislava | 2023/06/12 08:00 | Sandro Kopp v Alibek Kachmazov | 6-4,6-7,5-7 |
| Challenger de Heilbronn | 2023/06/04 14:25 | Sandro Kopp v Jerome Kym | 6-7,6-7 |
| ITF M25 Jablonec Nad Nisou | 2023/05/31 08:00 | Khumoyun Sultanov v Sandro Kopp | 6-4,6-1 |
| ITF M15 Warmbad-Villach | 2023/05/22 14:35 | Sandro Kopp v Luca Wiedenmann | 3-6,6-7 |
| ITF M25 Reggio Emilia | 2023/05/18 11:30 | Giorgio Tabacco v Sandro Kopp | 6-3,6-7,6-3 |
| ITF M25 Arlon | 2023/06/28 07:50 | Boris Fassbender v Sebastian Fanselow | 2-6,3-6 |
| Challenger de Parma | 2023/06/18 12:00 | Andrea Arnaboldi v Sebastian Fanselow | 6-2,6-4 |
| Challenger de Heilbronn | 2023/06/06 12:10 | Sebastian Fanselow v Rudolf Molleker | 4-6,7-6,1-6 |
| Challenger de Heilbronn | 2023/06/05 10:30 | Sebastian Fanselow v Vladyslav Orlov | 6-3,3-6,6-3 |
| Challenger de Heilbronn | 2023/06/04 15:25 | Daniel Dutra Da Silva v Sebastian Fanselow | 4-6,6-7 |
| ITF M25 Jablonec Nad Nisou | 2023/06/03 09:00 | Sebastian Fanselow v Tim Handel | 4-6,2-6 |
| ITF M25 Jablonec Nad Nisou | 2023/06/02 09:00 | Khumoyun Sultanov v Sebastian Fanselow | 5-7,5-7 |
| ITF M25 Jablonec Nad Nisou | 2023/06/01 07:55 | Sebastian Fanselow v Michael Vrbensky | 6-3,4-6,6-3 |