| ITF M15 Monastir | 11/25 08:00 | 27 | Valentin Lapalu v Constantin B Kouzmine | 6-4,2-6,3-6 | |
| ITF M15 Monastir | 11/24 08:00 | 26 | Olaf Pieczkowski v Constantin B Kouzmine | 3-6,6-7 | |
| ITF M15 Monastir | 11/22 08:00 | 25 | Taiyo Yamanaka v Constantin B Kouzmine | 4-6,2-6 | |
| ITF M15 Monastir | 11/10 10:50 | 26 | Constantin B Kouzmine v Luca Wiedenmann | 4-6,5-7 | |
| ITF M15 Monastir | 11/09 12:45 | 25 | Constantin B Kouzmine v Maximus Jones | 4-6,6-2,6-1 | |
| ITF M15 Monastir | 11/03 08:00 | 26 | Constantin B Kouzmine v Peter Benjamin Privara | 3-6,3-6 | |
| ITF M15 Monastir | 11/02 11:20 | 25 | Constantin B Kouzmine v Niklas Rohrer | 6-1,6-2 | |
| ITF M15 Monastir | 10/20 10:05 | 26 | Henrique Rocha v Constantin B Kouzmine | Retired | |
| ITF M15 Monastir | 10/19 09:45 | 25 | Sheng Tang v Constantin B Kouzmine | 6-2,6-7,2-6 | |
| ITF M15 Monastir | 10/14 08:00 | 27 | [412] Constantin B Kouzmine v Fajing Sun [480] | 3-6,3-6 | |
| ITF M15 Monastir | 10/13 08:00 | 26 | Constantin B Kouzmine v Wissam Abderrahman | 6-4,6-2 | |
| ITF M15 Monastir | 10/11 08:00 | 25 | Constantin B Kouzmine v Paul Barbier Gazeu | 6-2,6-1 | |
| ITF M25 Nevers | 10/06 13:00 | 26 | Arthur Reymond v Constantin B Kouzmine | 7-5,6-4 | |
| ITF M25 Nevers | 10/05 07:50 | 25 | Constantin B Kouzmine v Federico Agustin Gomez | 6-1,6-1 | |
| ITF M15 Forbach | 09/29 10:25 | 26 | [399] Constantin B Kouzmine v Alex Knaff [435] | 2-6,6-4,3-6 | |
| ITF M15 Forbach | 09/28 08:00 | 25 | Constantin Bittoun Kouzmine v Ivan Liutarevich | 7-6,7-6 | |
| ITF M25 Plaisir | 09/14 10:40 | 25 | [469] Constantin B Kouzmine v Jerome Kym [456] | 1-6,4-6 | |
| ITF M25 Bagneres-De-Bigorre | 09/08 14:05 | 26 | Jules Marie v Constantin Bittoun Kouzmine | Retired | |
| ITF M25 Bagneres-De-Bigorre | 09/07 07:30 | 25 | Remi Roselle v Constantin B Kouzmine | 1-6,1-6 | |
| ITF M15 Monastir | 09/04 08:00 | 29 | Eliakim Coulibaly v Constantin B Kouzmine | 6-2,6-4 | |
| ITF M15 Monastir | 09/03 08:00 | 28 | Constantin B Kouzmine v Rishab Agarwal | 6-3,6-1 | |
| ITF M15 Monastir | 09/02 08:00 | 27 | Kiranpal Pannu v Constantin B Kouzmine | 1-6,1-6 | |
| ITF M15 Monastir | 09/01 10:45 | 26 | Tom Evans v Constantin B Kouzmine | 2-6,0-6 | |
| ITF M15 Monastir | 08/31 15:00 | 25 | Corban Crowther v Constantin B Kouzmine | 3-6,2-6 | |
| ITF M15 Monastir | 08/12 08:00 | 27 | Matthew Dellavedova v Constantin B Kouzmine | 6-4,6-4 | |
| ITF M15 Monastir | 08/11 10:30 | 26 | [462] Constantin B Kouzmine v Arthur Bouquier [322] | 6-4,6-3 | |
| ITF M15 Monastir | 08/10 08:00 | 25 | Yecong Mo v Constantin B Kouzmine | 1-6,2-6 | |
| ITF M15 Monastir | 08/07 08:00 | 29 | Mark Lajal v Constantin B Kouzmine | 6-2,3-6,6-3 | |
| ITF M15 Monastir | 08/06 08:00 | 28 | Constantin B Kouzmine v Robin Bertrand | 7-6,6-3 | |
| ITF M15 Monastir | 08/05 07:55 | 27 | Constantin B Kouzmine v Robert Strombachs | 7-6,7-5 |