Stadium: Center Court Round: 26 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2023/09/27 11:50 | Constantin Bittoun Kouzmine v Rushil Khosla | 6-2,6-1 |
| ITF M15 Monastir | 2023/09/24 09:00 | Constantin Bittoun Kouzmine v Andres Martin | 2-6,4-6 |
| ITF M15 Monastir | 2023/09/23 09:00 | Constantin Bittoun Kouzmine v Devin Badenhorst | 6-4,7-6 |
| ITF M15 Monastir | 2023/09/22 11:35 | Constantin Bittoun Kouzmine v Pierre Delage | 6-4,6-2 |
| ITF M15 Monastir | 2023/09/21 09:00 | Constantin Bittoun Kouzmine v Max Wiskandt | 6-2,6-4 |
| ITF M15 Monastir | 2023/09/20 11:20 | Constantin Bittoun Kouzmine v Kalman Boyd | 7-6,6-2 |
| Challenger Tulln | 2023/09/03 14:10 | Mirza Basic v Constantin Bittoun Kouzmine | 6-7,7-6,7-6 |
| Challenger Augsburg | 2023/08/20 08:00 | Neil Oberleitner v Constantin Bittoun Kouzmine | 6-2,6-4 |
| ITF M15 Monastir | 2023/09/27 10:05 | Ludovico Vaccari v Vit Kalina | 0-6,5-7 |
| ITF M15 Trier | 2023/08/22 10:55 | Vit Kalina v Max Wiskandt | 5-7,3-6 |
| ITF M15 Brcko | 2023/05/25 11:15 | Vit Kalina v Viacheslav Bielinskyi | 2-6,3-6 |
| ITF M15 Brcko | 2023/05/24 11:55 | Vit Kalina v Csongor Hejjas | 6-0,6-0 |
| ITF M15 Pazardzhik | 2023/05/16 08:00 | Luigi Sorrentino v Vit Kalina | 6-3,3-6,6-2 |
| Challenger Prague | 2023/04/30 11:00 | Vit Kalina v Vitaliy Sachko | 3-6,2-6 |