Stadium: Court 1 Round: 25 Ground: Hardcourt indoor
| ITF - M25 Saint-Dizier | 2021/11/01 13:00 | Boris Fassbender v Arthur Gea | 6-4,6-4 |
| ITF M25 Prague | 2021/10/04 12:30 | Boris Fassbender v Recek, Dominik | 7-5,6-2 |
| ITF M25 Prague | 2021/10/03 13:00 | Boris Fassbender v Ilnytskyy, Svyatoslav | 7-5,6-4 |
| ITF M15 Forbach | 2021/10/01 10:00 | Boris Fassbender v Johnson, Luke | 3-6,5-7 |
| ITF M15 Forbach | 2021/09/30 16:20 | Boris Fassbender v Marlon Vankan | 6-2,6-4 |
| ITF M15 Forbach | 2021/09/29 15:35 | Gauthier Onclin v Boris Fassbender | 4-6,4-6 |
| ITF - M25 Angers | 2021/04/18 11:00 | Simon Reveniau v Boris Fassbender | 6-4,4-6,10-6 |
| ITF - M15 Poitiers | 2021/03/14 13:20 | Voljacques, Hugo v Boris Fassbender | 7-6,7-5 |
| ITF M25 Sarreguemines | 2021/10/26 09:55 | Sidane Pontjodikromo v Constantin Bittoun Kouzmine | 6-3,5-7,3-6 |
| ITF M25 Sarreguemines | 2021/10/25 11:10 | Sidane Pontjodikromo v Guenther, Paul-Georg | 6-2,6-3 |
| UTR Pro Tennis Series Mulheim | 2021/10/16 09:30 | Hansen, Christian v Sidane Pontjodikromo | 6-3,3-6,5-2 |
| UTR Pro Tennis Series Mulheim | 2021/10/15 10:00 | Sidane Pontjodikromo v Benjamin Hassan | 6-3,6-3 |
| UTR Pro Tennis Series Mulheim | 2021/10/13 07:00 | Sidane Pontjodikromo v Finn Bischof | 7-6,6-6 |
| UTR Pro Tennis Series Mulheim | 2021/10/12 10:00 | Sidane Pontjodikromo v Rodriguez, J. A. | 6-1,5-4 |
| UTR Pro Tennis Series Mulheim | 2021/10/11 11:30 | Melchior Delloye v Sidane Pontjodikromo | 4-6,0-6 |
| ITF M15 Oldenzaal | 2021/08/17 07:30 | Sidane Pontjodikromo v Giles Hussey | 3-6,4-6 |