Estadio: Court 1 Round: 19 Ground: Hardcourt indoor
| ITF M25 Trnava | 2023/03/27 13:00 | Matthew William Donald v Tilen Kovac | 6-2,6-1 |
| ITF M15 Heraklion | 2023/03/22 08:25 | Andrés Andrade v Matthew William Donald | 7-5,6-1 |
| ITF M15 Poitiers | 2023/03/14 11:00 | Matthew William Donald v Kalin Ivanovski | 2-6,4-6 |
| ITF M15 Créteil | 2023/03/08 12:15 | Alexis Gautier v Matthew William Donald | 6-3,6-3 |
| ITF M15 Sharm El Sheikh | 2023/02/08 08:00 | Guy Den Ouden v Matthew William Donald | 6-4,6-4 |
| ITF M25 Nussloch | 2023/01/23 13:40 | Tim Sandkaulen v Matthew William Donald | 6-3,6-2 |
| ITF M25 Nussloch | 2023/01/22 09:00 | Yvo Panak v Matthew William Donald | 6-4,3-6,5-10 |
| ITF M15 Vilnius | 2023/01/17 12:20 | Matthew William Donald v Milos Karol | 6-7,3-6 |
| ITF M25 Trnava | 2023/03/27 08:00 | Daniel Balascak v Samuel Puskar | 6-3,3-6,10-8 |