Stadium: Court 5 Round: 26 Ground: Clay
| ITF M15 Wroclaw | 2023/06/28 09:40 | Fryderyk Lechno-Wasiutynski v Matthew William Donald | 6-4,3-6,4-6 |
| ITF M15 Store | 2023/06/21 11:00 | Lorenzo Bocchi v Matthew William Donald | 6-4,6-4 |
| ITF M25 Jablonec Nad Nisou | 2023/05/31 09:30 | Matthew William Donald v Michael Vrbensky | 6-7,1-6 |
| ITF M25 Jablonec Nad Nisou | 2023/05/30 09:30 | Matthew William Donald v Lukas Janousek | 6-0,6-2 |
| ITF M25 Jablonec Nad Nisou | 2023/05/28 10:30 | Matthew William Donald v Julian Peter | 6-1,6-0 |
| ITF M25 Most | 2023/05/24 09:35 | Mats Moraing v Matthew William Donald | 6-2,6-0 |
| ITF M25 Most | 2023/05/23 08:00 | Matthew William Donald v Stepan Mruzek | 6-4,6-3 |
| ITF M25 Most | 2023/05/22 09:00 | Matthew William Donald v Markus Wunder | 6-2,6-0 |
| ITF M15 Wroclaw | 2023/06/28 09:40 | Karol Drzewiecki v Sergey Fomin | 3-6,6-2,1-6 |
| ITF M25 Kursumlijska Banja | 2023/06/07 07:00 | Sergey Fomin v Oleksandr Ovcharenko | 7-6,1-6,1-6 |
| Challenger Troisdorf | 2023/05/28 10:05 | Sumit Nagal v Sergey Fomin | 6-1,6-1 |
| ITF M25 Bodrum | 2023/05/25 06:45 | Carlos Sanchez Jover v Sergey Fomin | 6-7,6-2,6-0 |
| ITF M25 Bodrum | 2023/05/24 08:50 | Kaya Arinc v Sergey Fomin | 4-6,2-6 |
| ITF M25 Bodrum | 2023/05/23 08:10 | Nico Hornitschek v Sergey Fomin | 7-5,0-6,5-7 |
| ITF M15 Alaminos-Larnaca | 2023/04/29 08:00 | Sergey Fomin v Simon A Ivanov | 1-6,7-6,3-6 |
| ITF M15 Alaminos-Larnaca | 2023/04/28 07:35 | Sergey Fomin v Adam Moundir | 6-3,6-1 |