Stadium: Court 1 Round: 26 Ground: Clay
| ITF M25 Biel | 2021/03/29 14:50 | Oscar Moraing v Sandro Kopp | 4-6,6-1,11-9 |
| ITF M15 Antalya | 2021/02/22 07:00 | Deney Wassermann v Sandro Kopp | 6-3,2-6,10-8 |
| ITF M15 Antalya | 2021/02/21 06:00 | Umut Akkoyun v Sandro Kopp | 3-6,4-6 |
| ITF M15 Antalya | 2021/02/16 07:00 | Petr Nouza v Sandro Kopp | 0-6,1-6 |
| ITF M15 Antalya | 2021/02/16 07:00 | Sandro Kopp v Gabriel Donev | 2-6,1-6 |
| ITF M15 Antalya | 2021/02/14 12:00 | Calin Manda v Sandro Kopp | 5-7,5-7 |
| ITF M15 Antalya | 2021/02/08 07:00 | Sandro Kopp v Oleg Prihodko | 3-6,6-7 |
| ITF M15 Antalya | 2021/02/07 06:00 | Marvin Netuschil v Sandro Kopp | 5-7,4-6 |
| ITF M25 Naples | 2021/02/25 18:10 | Diego Hidalgo v Louis Wessels | 6-2,6-4 |
| ITF M25 Naples | 2021/02/24 18:45 | Louis Wessels v Bjorn Fratangelo | 6-7,7-5,6-4 |
| ITF M25 Naples | 2021/02/18 16:50 | Louis Wessels v Michael Redlicki | 2-6,0-6 |
| ITF M25 Naples | 2021/02/17 15:00 | Louis Wessels v Fletcher Scott | 6-2,6-4 |
| ITF M15 Monastir | 2021/02/03 08:30 | Louis Wessels v Benjamin Pietri | 4-6,2-6 |
| German Masters | 2020/08/06 15:00 | Jim Walder v Louis Wessels | 4-6,1-6 |
| German Masters | 2020/08/05 11:00 | Louis Wessels v Oscar Moraing | 6-3,6-2 |
| German Masters | 2020/08/04 12:40 | Louis Wessels v Oleg Khotkov | 6-1,6-1 |