Stadium: Court Gachassin Round: 54 Ground: Hardcourt indoor
| 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 |
| 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 Zilina | 2021/09/02 10:55 | Constantin Bittoun Kouzmine v Fabian Marozsan | 6-7,4-6 |
| ITF - M15 Zilina | 2021/09/01 09:55 | Kristof Minarik v Constantin Bittoun Kouzmine | 4-6,2-6 |
| ITF - M15 Platja d'Aro | 2021/10/04 11:00 | Andrea Picchione v Theo Arribage | 6-4,6-2 |
| ITF - M15 Platja d'Aro | 2021/10/03 08:00 | Theo Arribage v Yeray A. Pastor | 2-6,6-3,10-6 |
| ITF - M15 Monastir | 2021/09/08 08:00 | Li Tu v Theo Arribage | 6-0,6-1 |
| ITF - M15 Monastir | 2021/09/07 08:00 | Theo Arribage v Chanchai Sookton-Eng | 4-6,6-4,10-7 |
| ITF - M15 Monastir | 2021/09/06 11:00 | August Holmgren v Theo Arribage | 6-4,5-7,9-11 |
| ITF - M15 Monastir | 2021/09/05 12:30 | Theo Arribage v Lohithaksha Bathrinath | 6-4,3-6,10-5 |
| ITF - M25 Bagneres-De-Bigorre | 2021/08/30 13:00 | Nicolas Tepmahc v Theo Arribage | 7-6,6-2 |
| ITF - M25 Bagneres-De-Bigorre | 2021/08/29 13:00 | Alasdair Knox v Theo Arribage | 1-6,2-6 |