Stadium: Court 1 Round: 54 Ground: Clay
| ITF M25 - Santa Margherita | 2023/04/19 09:50 | Mikalai Haliak v Alexander Weis | 3-6,4-6 |
| ITF M25 - Santa Margherita | 2023/04/18 10:00 | Mikalai Haliak v Niccolo Ciavarella | 6-1,6-7,6-2 |
| ITF M25 - Santa Margherita | 2023/04/11 12:45 | Mateo Nicolas Martinez v Mikalai Haliak | 6-4,6-1 |
| ITF M25 - Santa Margherita | 2023/04/10 11:20 | Mikalai Haliak v Andrea Gola | 6-2,6-3 |
| ITF M25 - Santa Margherita | 2023/04/09 08:30 | Mikalai Haliak v Stephanos Schinas | 7-5,6-3 |
| Challenger - St Brieuc | 2023/03/19 12:00 | Albano Olivetti v Mikalai Haliak | 2-6,7-6,7-6 |
| ITF M15 - Poitiers | 2023/03/17 12:00 | Antoine Hoang v Mikalai Haliak | 7-6,6-4 |
| ITF M15 - Poitiers | 2023/03/16 16:00 | Mikalai Haliak v Harry Wendelken | 7-6,7-6 |
| ITF M25 - Santa Margherita | 2023/04/16 08:30 | Giannicola Misasi v Marcel Marlon Sudzum | 6-0,6-1 |
| ITF M25 - Santa Margherita | 2023/04/02 11:30 | Marcel Marlon Sudzum v Daniele Minighini | 1-6,1-6 |
| ITF M25 - Saint Dizier | 2021/10/31 13:05 | Marcel Marlon Sudzum v Adan Freire Da Silva | 3-6,3-6 |
| Challenger - Barcelona | 2021/10/03 08:00 | Matteo Martineau v Marcel Marlon Sudzum | 6-2,6-2 |
| ITF M25 - Pardubice | 2021/09/20 08:00 | Marcel Marlon Sudzum v Stepan Pecak | 3-6,2-6 |
| ITF M25 - Pardubice | 2021/09/19 08:00 | Marcel Marlon Sudzum v Dean Thurner | 6-2,6-2 |
| ITF M25 - Sierre | 2021/08/29 10:10 | Manfredi Graziani v Marcel Marlon Sudzum | 6-4,6-3 |
| ITF M25 - Koksijde | 2021/08/17 15:25 | Gauthier Onclin v Marcel Marlon Sudzum | 6-1,7-6 |