| ITF M25 Angers | 04/26 09:25 | 27 | [232] 도우가즈, 아지즈 v Constantin Bittoun Kouzmine [482] | 7-6,6-3 | |
| ITF M25 Angers | 04/25 11:25 | 26 | Niels Villard v Constantin Bittoun Kouzmine | 1-6,0-6 | |
| ITF M25 Angers | 04/24 10:25 | 25 | Mikail Alimli v Constantin Bittoun Kouzmine | 2-6,1-6 | |
| ITF M25 Hammamet | 04/18 08:30 | 26 | [421] Raphael Collignon v 비토운 코우즈민, 콘스탄틴 [483] | 6-2,6-2 | |
| ITF M25 Hammamet | 04/17 08:30 | 25 | [483] 비토운 코우즈민, 콘스탄틴 v 오우카, 아지즈 [255] | 6-3,7-5 | |
| ITF M25 Hammamet | 04/10 08:30 | 25 | 비토운 코우즈민, 콘스탄틴 v Pawel Juszczak | 2-6,6-3,3-6 | |
| ITF M25 Hammamet | 04/06 09:00 | 28 | 오브샤렌코, 올렉산들 v Constantin Bittoun Kouzmine | 6-2,6-3 | |
| ITF M25 Hammamet | 04/05 09:00 | 27 | Constantin Bittoun Kouzmine v Perfetti Noah, Noah Perfetti | 6-3,0-6,7-5 | |
| ITF M25 Hammamet | 04/04 09:00 | 26 | Constantin Bittoun Kouzmine v Matteo Fondriest | 6-2,7-6 | |
| ITF M25 Hammamet | 04/03 12:00 | 25 | Constantin Bittoun Kouzmine v Ferri, Lorenzo | 6-0,6-4 | |
| ITF M15 Monastir | 03/31 09:00 | 29 | Constantin Bittoun Kouzmine v 아우브리오트, 알렉산드레 | 6-2,6-3 | |
| ITF M15 Monastir | 03/30 11:10 | 28 | Constantin Bittoun Kouzmine v Browning, Tauheed | 6-4,6-4 | |
| ITF M15 Monastir | 03/29 12:50 | 27 | Constantin Bittoun Kouzmine v Sven Corbinais | 6-0,6-1 | |
| ITF M15 Monastir | 03/28 10:40 | 26 | Constantin Bittoun Kouzmine v Fantini, Luca | Retired | |
| ITF M15 Monastir | 03/27 09:45 | 25 | Constantin Bittoun Kouzmine v Benjamin Gusic Wan | 6-0,6-4 | |
| ITF M15 Monastir | 03/22 11:20 | 27 | Broska, Florian v Constantin Bittoun Kouzmine | 6-2,6-4 | |
| ITF M15 Monastir | 03/21 10:35 | 26 | 데 존지, 다니엘 v Constantin Bittoun Kouzmine | 6-7,4-6 | |
| ITF M15 Monastir | 03/20 12:25 | 25 | 풀라네토, 마르코 v Constantin Bittoun Kouzmine | 2-6,1-6 | |
| ITF M15 Monastir | 03/16 08:30 | 28 | [233] Constantin Bittoun Kouzmine v 네그리투, 크리스토프 [277] | 2-6,6-7 | |
| ITF M15 Monastir | 03/15 08:30 | 27 | Constantin Bittoun Kouzmine v Massimo Giunta | 3-6,6-0,6-2 | |
| ITF M15 Monastir | 03/14 10:45 | 26 | Constantin Bittoun Kouzmine v Niccolo Ciavarella | 6-3,6-0 | |
| ITF M15 Monastir | 03/13 09:00 | 25 | Constantin Bittoun Kouzmine v Shin, Maksim | 6-0,7-6 | |
| Challenger New Delhi | 02/25 07:55 | 14 | [308] 빈센트 루게리, 사무엘 v Constantin Bittoun Kouzmine [306] | 6-2,6-4 | |
| Challenger Bengaluru | 02/11 06:15 | 14 | [296] Constantin Bittoun Kouzmine v 우르수, 바딤 [436] | 6-4,5-7,4-6 | |
| Challenger Chennai | 02/04 06:10 | 14 | 자크하로브, 알렉세이 v Constantin Bittoun Kouzmine | 6-0,6-0 | |
| ITF M15 Monastir | 01/18 11:20 | 26 | 비토운 코우즈민, 콘스탄틴 v 테사, 루이스 | 6-4,3-6,6-7 | |
| ITF M15 Monastir | 01/17 11:05 | 25 | 비토운 코우즈민, 콘스탄틴 v Paul Barbier Gazeu | 6-1,6-3 | |
| ITF M15 Monastir | 01/05 11:15 | 27 | Constantin Bittoun Kouzmine v 무, 타오 | 6-7,4-6 | |
| ITF M15 Monastir | 01/04 10:05 | 26 | Constantin Bittoun Kouzmine v Chirag Duhan | 6-3,6-4 | |
| ITF M15 Monastir | 01/03 12:45 | 25 | Constantin Bittoun Kouzmine v Mohamed Amin Oueslati | 6-0,6-1 |