| ITF M15 Monastir | 05/06 13:00 | 26 | Constantin B Kouzmine v Yusuke Takahashi | 2-6,1-6 | |
| ITF M15 Monastir | 05/05 10:25 | 25 | Constantin B Kouzmine v Imran Sibille | 6-2,6-1 | |
| ITF M15 Monastir | 05/04 08:00 | 62 | Alessandro Pecci v Constantin Bittoun Kouzmine | 5-7,6-7 | |
| ITF M15 Monastir | 05/03 13:00 | 62 | Francois Musitelli v Constantin Bittoun Kouzmine | 1-6,7-5,7-10 | |
| ITF M15 Monastir | 04/28 11:25 | 25 | Constantin B Kouzmine v Arthur Bouquier | 2-6,3-6 | |
| ITF M15 Monastir | 04/26 12:30 | 62 | Lorenzo Bresciani v Constantin Bittoun Kouzmine | 5-7,3-6 | |
| ITF M15 Monastir | 04/26 08:00 | 62 | Daiki Yoshimura v Constantin Bittoun Kouzmine | 3-6,3-6 | |
| ITF M15 Monastir | 04/25 10:30 | 62 | Miguel Fernando Pereira v Constantin Bittoun Kouzmine | 2-6,3-6 | |
| ITF M15 St Petersburg | 04/15 09:45 | 26 | Constantin B Kouzmine v Alexey Zakharov | 4-6,4-6 | |
| ITF M15 St Petersburg | 04/14 10:40 | 25 | Vladimir Ivanov v Constantin B Kouzmine | 1-6,7-6,2-6 | |
| ITF M15 St Petersburg | 04/12 10:25 | 54 | Pavel Shchaya-Zubrov v Constantin B Kouzmine | 0-6,3-6 | |
| ITF M15 St Petersburg Qual | 04/11 15:25 | 54 | Igor Trunov v Constantin B Kouzmine | Retired | |
| ITF M15 St Petersburg | 04/07 09:55 | 25 | Illya Beloborodko v Constantin B Kouzmine | 6-3,6-1 | |
| ITF M15 St Petersburg | 04/05 08:40 | 54 | Constantin B Kouzmine v Matic Spec | 6-7,6-7 | |
| ITF M15 St Petersburg | 04/04 11:55 | 54 | Jaimee Floyd Angele v Constantin B Kouzmine | 6-1,1-6,7-10 | |
| ITF M15 Poitiers | 03/14 11:45 | 54 | Constantin B Kouzmine v Vincent Stouff | 6-3,6-7,7-10 | |
| ITF M15 Bratislava | 03/10 10:30 | 25 | Constantin B Kouzmine v Vitaliy Sachko | 6-3,2-6,3-6 | |
| ITF M15 Bratislava | 03/09 09:00 | 54 | Martin Dobry v Constantin Bittoun Kouzmine | 3-6,0-6 | |
| ITF M15 Bratislava | 03/08 15:00 | 54 | Jan Jermar v Constantin Bittoun Kouzmine | 6-7,2-6 | |
| ITF M15 Bratislava | 03/04 09:00 | 26 | Baptiste Crepatte v Constantin B Kouzmine | 5-7,6-4,6-3 | |
| ITF M15 Bratislava | 03/03 12:10 | 25 | Constantin B Kouzmine v Kristof Minarik | 2-6,6-4,6-4 | |
| ITF M15 Bratislava | 03/02 09:00 | 54 | Constantin Bittoun Kouzmine v Yvo Panak | 6-3,6-0 | |
| ITF M15 Bratislava | 03/01 15:00 | 54 | Constantin Bittoun Kouzmine v Bjorn Nareyka | 6-2,6-1 | |
| ITF M15 Grenoble | 02/07 15:00 | 54 | Constantin B Kouzmine v Vincent Stouff | 2-6,4-6 | |
| ITF M15 Cairo | 01/11 08:00 | 62 | Constantin Bittoun Kouzmine v Sergi Perez Contri | 1-6,2-6 | |
| ITF M15 Cairo | 01/10 09:30 | 62 | Constantin Bittoun Kouzmine v Edoardo Lavagno | 2-6,6-4,10-6 | |
| ITF M15 Cairo | 01/04 12:00 | 62 | Edoardo Lavagno v Constantin Bittoun Kouzmine | 6-4,4-6,10-6 | |
| ITF M15 Cairo | 01/04 08:00 | 62 | Omar El-Moslemany v Constantin Bittoun Kouzmine | 1-6,0-6 | |
| ITF M15 Monastir | 12/02 12:05 | 25 | Constantin B Kouzmine v Kristjan Tamm | 2-6,3-6 | |
| ITF M15 Monastir | 11/30 12:00 | 44 | Constantin Bittoun Kouzmine v Mathieu Scaglia | 6-3,6-1 |