Stadium: Centre Court Round: 26 Ground: Clay
| ITF M25 Koksijde | 2023/08/15 12:35 | Thiemo De Bakker v Mariano Kestelboim | 3-6,3-6 |
| ITF M15 Eupen | 2023/08/09 10:30 | Mariano Kestelboim v Simon Beaupain | 6-7,5-7 |
| ITF M15 Bergamo | 2023/07/02 08:30 | Mariano Kestelboim v Inaki Montes-De La Torre | 3-6,6-4,5-7 |
| ITF M15 Bergamo | 2023/07/01 14:10 | Mariano Kestelboim v Valerio Aboian | 6-2,7-5 |
| ITF M15 Bergamo | 2023/06/29 14:05 | Mariano Kestelboim v Giorgio Tabacco | 1-6,7-6,6-0 |
| ITF M15 Bergamo | 2023/06/28 12:35 | Mariano Kestelboim v Andrea Bacaloni | 6-4,6-1 |
| Challenger Buenos Aires | 2023/04/25 17:50 | Gustavo Heide v Mariano Kestelboim | 6-4,6-3 |
| Challenger Buenos Aires | 2023/04/24 13:00 | Mariano Kestelboim v Leonardo Aboian | 6-3,7-5 |
| ITF M25 Koksijde | 2023/08/15 14:35 | Alen Moritz Hodzic v Constantin Bittoun Kouzmine | 4-6,6-4,1-6 |
| Challenger Liberec | 2023/08/02 08:00 | Francisco Comesana v Constantin Bittoun Kouzmine | 6-1,6-3 |
| Challenger Liberec | 2023/07/31 08:00 | Constantin Bittoun Kouzmine v Dominik Recek | 5-7,7-6,6-0 |
| Challenger Segovia | 2023/07/24 10:30 | Constantin Bittoun Kouzmine v Miguel Damas | 3-6,7-5,6-7 |
| Challenger Segovia | 2023/07/23 09:35 | Constantin Bittoun Kouzmine v Arjun Kadhe | 6-3,4-6,6-3 |
| Challenger Pozoblanco | 2023/07/16 18:00 | Miguel Damas v Constantin Bittoun Kouzmine | 6-0,6-1 |
| Challenger Braunschweig | 2023/07/11 16:20 | Timofey Skatov v Constantin Bittoun Kouzmine | 6-3,6-1 |
| Challenger Braunschweig | 2023/07/10 09:00 | Lewie Lane v Constantin Bittoun Kouzmine | 6-7,6-4,5-7 |