Stadium: Court 13 Round: 25 Ground: Carpet indoor
| ITF M25 The Hague | 2021/07/01 07:30 | Sidane Pontjodikromo v Constantin Bittoun Kouzmine | 6-7,2-6 |
| ITF M25 Sarreguemines | 2021/10/25 11:10 | Sidane Pontjodikromo v Paul-Georg Guenther | 6-2,6-3 |
| UTR Pro Tennis Series Mulheim | 2021/10/16 09:30 | Christian Hansen 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 Jose Antonio Rodriguez Rodriguez | 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 |
| ITF M15 Oldenzaal | 2021/08/16 10:00 | Sidane Pontjodikromo v Lorenzo Joaquin Rodriguez | 3-6,6-4,10-6 |
| ITF M25 Sarreguemines | 2021/10/25 09:30 | Constantin Bittoun Kouzmine v Lilian Breut | 6-4,6-3 |
| ITF M25 Sarreguemines | 2021/10/24 09:25 | Constantin Bittoun Kouzmine v Antoine Monaco | 6-2,7-5 |
| ITF M25 Toulouse | 2021/10/19 10:40 | Constantin Bittoun Kouzmine v Hugo Pierre | 5-7,4-6 |
| ITF M25 Toulouse | 2021/10/18 16:10 | Constantin Bittoun Kouzmine v Theo Arribage | 6-2,3-6,10-8 |
| ITF M25 Rodez | 2021/10/13 11:35 | Tristan Schoolkate v Constantin Bittoun Kouzmine | 4-6,6-3,7-5 |
| ITF M25 Rodez | 2021/10/11 12:30 | Constantin Bittoun Kouzmine v Mehdi Sadaoui | 6-3,6-2 |
| ITF M25 Nevers | 2021/10/05 09:30 | Constantin Bittoun Kouzmine v Martin Breysach | 6-2,6-7,2-6 |
| ITF M25 Nevers | 2021/10/04 09:00 | Constantin Bittoun Kouzmine v Hendrik Jebens | 6-3,6-2 |