Stadium: Center Court Round: 27 Ground: Clay
| ITF M25 Frankfurt am Main | 2021/08/12 08:55 | Sandro Kopp v Louis Wessels | 1-6,1-6 |
| ITF M25 Arlon | 2023/06/29 08:00 | Louis Wessels v Wilson Leite | 4-6,7-5,6-0 |
| ITF M25 Arlon | 2023/06/28 08:00 | Louis Wessels v John Sperle | 6-1,5-7,6-3 |
| ATP Halle | 2023/06/20 11:35 | Louis Wessels v Yannick Hanfmann | 4-6,6-3,3-6 |
| ATP Halle | 2023/06/18 10:35 | Louis Wessels v Henri Squire | 6-3,3-6,6-3 |
| ATP Halle | 2023/06/17 09:00 | Zhizhen Zhang v Louis Wessels | 4-6,2-6 |
| ATP Stuttgart | 2023/06/10 11:00 | Marton Fucsovics v Louis Wessels | 6-3,6-1 |
| Challenger Heilbronn | 2023/06/04 12:20 | Louis Wessels v Andrea Arnaboldi | 3-6,6-4,6-7 |
| Challenger Troisdorf | 2023/05/29 10:00 | Nick Hardt v Louis Wessels | 6-3,7-6 |
| ITF M25 Arlon | 2023/06/29 12:00 | Sandro Kopp v Sebastian Fanselow | 6-4,4-6,7-6 |
| ITF M25 Arlon | 2023/06/28 11:55 | Olivier Rojas v Sandro Kopp | 2-6,3-6 |
| Challenger Parma | 2023/06/19 08:00 | Blaz Rola v Sandro Kopp | 6-7,6-4,6-4 |
| Challenger Parma | 2023/06/18 10:25 | Luca Castagnola v Sandro Kopp | 4-6,2-6 |
| Challenger Bratislava | 2023/06/12 08:00 | Sandro Kopp v Alibek Kachmazov | 6-4,6-7,5-7 |
| Challenger 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 |