Stadium: Court 13 Round: 54 Ground: Carpet indoor
| ITF M25 Sarreguemines | 2021/10/24 09:25 | Constantin Bittoun Kouzmine v Monaco, Antoine | 6-2,7-5 |
| ITF - M25 Toulouse | 2021/10/19 10:40 | Constantin Bittoun Kouzmine v Pierre, Hugo | 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 Sadaoui, Mehdi | 6-3,6-2 |
| ITF M25 Nevers | 2021/10/05 09:30 | Constantin Bittoun Kouzmine v Breysach , Martin | 6-2,6-7,2-6 |
| ITF M25 Nevers | 2021/10/04 09:00 | Constantin Bittoun Kouzmine v Hendrik Jebens | 6-3,6-2 |
| ITF M15 Vyshkovo | 2021/09/22 12:45 | Illya Beloborodko v Constantin Bittoun Kouzmine | 7-6,6-4 |
| ITF M25 Sarreguemines | 2021/10/24 08:00 | Julien Kaufmann v Breut, Lilian | 2-6,0-6 |
| ITF M25 Rodez | 2021/10/11 15:10 | Blake Ellis v Breut, Lilian | 6-2,6-2 |
| ITF M25 Rodez | 2021/10/11 10:00 | Ramiaramanan, Lofo v Breut, Lilian | 1-6,2-6 |
| ITF M25 Nevers | 2021/10/05 13:00 | Breut, Lilian v Arthur Reymond | 3-6,4-6 |
| ITF M25 Nevers | 2021/10/04 08:55 | Joncour, Ronan v Breut, Lilian | 4-6,7-5,5-10 |
| ITF M25 Nevers | 2021/10/03 09:00 | Ginefri, Max v Breut, Lilian | 1-6,2-6 |
| ITF M15 Forbach | 2021/09/30 10:00 | Arthur Reymond v Breut, Lilian | 6-3,7-5 |
| ITF M15 Forbach | 2021/09/27 09:35 | Louroi Martinez v Breut, Lilian | 4-6,4-6 |