Stadium: Court 11 Round: 26 Ground: Clay
| ITF M25 Pardubice | 2021/09/22 09:00 | Tomas Lanik v Matthew William Donald | 2-6,2-6 |
| ITF M15 Uberlingen | 2023/08/16 08:00 | Matthew William Donald v Aleksandre Metreveli | 6-4,1-6,4-6 |
| ITF M15 Frankfurt Am Main | 2023/08/08 09:00 | Kai Lemstra v Matthew William Donald | 6-3,6-1 |
| ITF M15 Monastir | 2023/07/28 08:30 | Kris Van Wyk v Matthew William Donald | 6-1,6-4 |
| ITF M15 Monastir | 2023/07/27 10:25 | Matthew William Donald v Dylan Salton | 6-1,6-1 |
| ITF M15 Monastir | 2023/07/26 10:00 | Matthew William Donald v Gabriele Bosio | 4-6,6-2,6-3 |
| ITF M15 Monastir | 2023/07/18 10:20 | Kody Pearson v Matthew William Donald | 6-1,6-2 |
| ITF M15 Wroclaw | 2023/06/29 08:00 | Matthew William Donald v Sergey Fomin | 2-6,6-4,2-6 |
| ITF M15 Wroclaw | 2023/06/28 09:40 | Fryderyk Lechno-Wasiutynski v Matthew William Donald | 6-4,3-6,4-6 |
| ITF M15 Vienna | 2023/08/29 09:30 | Tomas Lanik v Aleksa Mardjonovic | 6-2,6-0 |
| ITF M15 Huy | 2023/08/23 09:00 | Buvaysar Gadamauri v Tomas Lanik | 6-1,6-7,6-3 |
| ITF M15 Kottingbrunn | 2023/08/16 09:55 | Tomas Lanik v Gerald Melzer | 4-6,2-6 |
| ITF M15 Kottingbrunn | 2023/08/14 12:00 | Tomas Lanik v Roman Postolka | 6-4,4-6,10-6 |
| ITF M15 Kottingbrunn | 2023/08/14 08:00 | Tomas Lanik v Elias Julian Werner | 7-6,6-1 |
| ITF M15 Kottingbrunn | 2023/08/13 10:30 | Tomas Lanik v Aljaz Jeran | 6-2,6-0 |
| ITF M15 Novi Sad | 2023/07/24 13:05 | Peter Nad v Tomas Lanik | 4-6,6-3,10-7 |
| ITF M15 Novi Sad | 2023/07/23 07:00 | Niksa Arsic v Tomas Lanik | 7-5,2-6,10-12 |