Stadium: Court 3 Round: 26 Ground: Hardcourt indoor
| ITF M25 Esch/Alzette | 2023/07/19 12:45 | Boris Fassbender v Raphael Calzi | 4-6,7-6,6-3 |
| ITF M25 Esch/Alzette | 2023/07/12 11:35 | Marcel Zielinski v Boris Fassbender | 6-3,6-1 |
| ITF M25 Esch/Alzette | 2023/07/10 16:20 | Boris Fassbender v Loris Pourroy | 7-6,7-5 |
| ITF M25 Esch/Alzette | 2023/07/10 13:15 | Boris Fassbender v Charles Berna | 6-2,6-2 |
| ITF M25 Arlon | 2023/06/28 07:50 | Boris Fassbender v Sebastian Fanselow | 2-6,3-6 |
| ITF M25 Arlon | 2023/06/27 11:20 | Boris Fassbender v Aaron Gil Garcia | 6-4,2-6,10-4 |
| ITF M25 Arlon | 2023/06/26 16:35 | Boris Fassbender v Dylan Leigniel | 6-1,6-0 |
| ITF M15 Saarlouis | 2023/06/19 09:30 | Boris Fassbender v Collin Altamirano | 2-6,7-6,8-10 |
| ITF M25 Esch/Alzette | 2023/07/19 10:50 | Lodewijk Weststrate v Mikalai Haliak | 6-7,6-4,3-6 |
| ITF M25 Uriage | 2023/07/11 08:00 | Mikalai Haliak v Nikolay Vylegzhanin | 3-6,2-6 |
| ITF M25 Grasse | 2023/06/15 14:00 | Mathys Erhard v Mikalai Haliak | 6-1,7-5 |
| ITF M25 Grasse | 2023/06/13 09:00 | Mikalai Haliak v Nikolay Vylegzhanin | 4-6,7-5,6-2 |
| ITF M25 Carnac | 2023/05/30 07:55 | Mikalai Haliak v Lucas Poullain | 6-2,2-6,3-6 |
| Challenger Skopje | 2023/05/21 10:35 | Mikalai Haliak v Bogdan Bobrov | 5-7,4-6 |
| ITF M25 Kursumlijska Banja | 2023/05/20 08:00 | Mikalai Haliak v Mathys Erhard | 2-6,6-7 |
| ITF M25 Kursumlijska Banja | 2023/05/19 10:10 | Milan Drinic v Mikalai Haliak | 3-6,3-6 |