Stadium: Court 2 Round: 54 Ground: Hardcourt indoor
| ITF M15 Cairo | 2021/05/02 09:00 | Simon A Ivanov v Guelfo Baldovinetti | 6-3,6-4 |
| UTR Pro Tennis Series Mulheim | 2021/10/16 10:30 | Yurii Dzhavakian v Finn Bischof | 6-1,6-4 |
| UTR Pro Tennis Series Mulheim | 2021/10/15 10:00 | Jose Antonio Rodriguez Rodriguez v Finn Bischof | 4-6,7-6,2-6 |
| UTR Pro Tennis Series Mulheim | 2021/10/14 13:30 | Melchior Delloye v Finn Bischof | 3-6,6-3,5-1 |
| UTR Pro Tennis Series Mulheim | 2021/10/13 07:00 | Sidane Pontjodikromo v Finn Bischof | 7-6,6-6 |
| ITF M25 Eupen | 2021/09/06 13:00 | Finn Bischof v Mateo Nicolas Martinez | 2-6,2-6 |
| ITF M25 Eupen | 2021/09/05 11:15 | Fred Olivier Schommer v Finn Bischof | 3-6,0-6 |
| ITF M15 Oldenzaal | 2021/08/15 07:30 | Finn Bischof v Lorenzo Joaquin Rodriguez | 1-6,1-6 |