Estádio: Comite 2 Round: 54 Ground: Hardcourt indoor
| 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 |
| ITF - M15 Vyshkovo | 2021/09/22 12:45 | Illya Beloborodko v Constantin Bittoun Kouzmine | 7-6,6-4 |
| ITF - M15 Sozopol | 2021/09/14 10:00 | Valentin Vacherot v Constantin Bittoun Kouzmine | 6-3,5-7,6-4 |
| ITF - M15 Žilina | 2021/09/02 10:55 | Constantin Bittoun Kouzmine v Fabian Marozsan | 6-7,4-6 |
| ITF - M15 Žilina | 2021/09/01 09:55 | Kristof Minarik v Constantin Bittoun Kouzmine | 4-6,2-6 |
| ITF - M25 Üeberlingen | 2021/08/18 14:10 | Milan Welte v Constantin Bittoun Kouzmine | 6-4,6-0 |
| ITF - M15 Cairo | 2021/08/05 09:20 | Lukas Krainer v Constantin Bittoun Kouzmine | 6-1,6-2 |
| ITF - M25 Rodez | 2021/10/11 08:00 | Arjun Mehrotra v Mehdi Sadaoui | 6-7,6-7 |
| ITF - M15 Sozopol | 2021/09/15 10:00 | Tommaso Compagnucci v Mehdi Sadaoui | 6-3,6-1 |
| ITF - M25 Bagnères-de-Bigorre | 2021/08/31 07:30 | Mikail Alimli v Mehdi Sadaoui | 7-6,1-6,6-3 |
| ITF - M15 Monastir | 2021/08/26 14:30 | Mehdi Sadaoui v Robin Bertrand | 4-6,2-6 |
| ITF - M15 Monastir | 2021/08/25 07:30 | Mehdi Sadaoui v Areg Stepanian | 6-0,6-2 |
| ITF - M15 Monastir | 2021/07/26 14:00 | Michael Zhu v Mehdi Sadaoui | 6-4,7-5 |
| ITF - M15 Monastir | 2021/07/26 08:00 | Mehdi Sadaoui v Credit Chaiyarin | 6-2,6-4 |
| ITF - M15 Monastir | 2021/07/22 14:00 | Maxence Beauge v Mehdi Sadaoui | 7-6,6-2 |