| ITF Israel F14 | 10/23 08:30 | 25 | Yeshaya, Omer v Constantin B Kouzmine | 2-6,2-6 | |
| ITF France F23 | 10/11 09:45 | 26 | Constantin B Kouzmine v Neuchrist, Maximilian | 6-7,4-6 | |
| ITF France F23 | 10/10 10:00 | 25 | Patael, Ben v Constantin B Kouzmine | 2-6,2-6 | |
| ITF France F22 | 10/05 14:30 | 26 | Constantin B Kouzmine v Marek Jaloviec | 6-3,2-6,3-6 | |
| ITF France F22 | 10/03 10:00 | 25 | Constantin B Kouzmine v Schott, Hugo | 6-3,6-0 | |
| ITF France F22 Qual | 10/01 09:55 | 54 | Hugo Gaston v Constantin B Kouzmine | 1-6,3-6 | |
| ITF France F22 Qual | 09/30 11:45 | 54 | Medina, Anthony v Constantin B Kouzmine | 1-6,0-6 | |
| ITF France F21 | 09/26 08:30 | 25 | Lenz, Julian v Constantin B Kouzmine | 6-1,7-5 | |
| France F20, Singles | 09/21 13:00 | 26 | Bossel, Adrien v Constantin B Kouzmine | 6-2,6-4 | |
| France F20, Singles | 09/20 10:00 | 25 | Constantin B Kouzmine v Corrie, Edward | 7-5,7-6 | |
| ITF France F20 Qual | 09/18 08:00 | 62 | Constantin B Kouzmine v Clement Tabur | 6-1,6-4 | |
| ITF France F20 Qual | 09/17 08:00 | 62 | Lammons, Nathaniel v Constantin B Kouzmine | 3-6,3-6 | |
| ITF France F20 Qual | 09/16 09:00 | 62 | Constantin B Kouzmine v Gueydan, Quentin | 6-4,7-6 | |
| ITF France F15 Qual | 07/16 09:00 | 54 | Meraut, Tristan v Constantin Bittoun Kouzmine | 6-7,7-5,6-4 | |
| ITF France F19 Qual | 09/20 10:45 | 62 | Hirschmueller, Christian v Constantin Bittoun Kouzmine | 6-3,7-5 | |
| ITF France F19 Qual | 09/19 14:10 | 62 | Constantin Bittoun Kouzmine v Antchandie, Herve | 6-2,6-4 | |
| ITF France F13 Qual | 07/04 08:55 | - | Seyler, Nathaniel v Constantin Bittoun Kouzmine | 1-6,6-7 | |
| ITF France F4 Qual | 03/01 11:05 | - | Benjamin Bonzi v Constantin Bittoun Kouzmine | 7-5,6-4 | |
| ITF France F4 Qual | 02/28 12:05 | - | Constantin Bittoun Kouzmine v Forchap, David Chaplefeh | 6-2,6-3 | |
| ITF France F21 Qual | 09/28 09:00 | - | Reinwein, Sami v Constantin Bittoun Kouzmine | 6-3,7-5 | |
| ITF France F21 Qual | 09/27 11:30 | - | Constantin Bittoun Kouzmine v Davies, George | 4-6,6-4,7-5 | |
| ITF Netherlands F6 | 08/23 08:00 | - | Constantin Bittoun Kouzmine v Andres, Mark-Flavius | 6-4,3-6,2-6 |