Stadium: Centre Round: 62 Ground: Clay
| ITF M25 Prague | 2023/05/16 10:35 | Stepan Mruzek v Matthew William Donald | 3-6,2-6 |
| ITF M25 Most | 2023/05/22 09:00 | Matthew William Donald v Markus Wunder | 6-2,6-0 |
| ITF M25 Prague | 2023/05/18 13:30 | Maxim Mrva v Matthew William Donald | 6-2,7-5 |
| ITF M25 Prague | 2023/05/17 11:00 | Jiri Cizek v Matthew William Donald | 6-7,3-6 |
| ITF M25 Prague | 2023/05/16 10:35 | Stepan Mruzek v Matthew William Donald | 3-6,2-6 |
| ITF M15 Osijek | 2023/05/03 08:00 | Aldin Setkic v Matthew William Donald | 7-6,6-2 |
| ITF M15 Meerbusch | 2023/04/27 11:10 | Matthew William Donald v Deney Wassermann | 2-6,3-6 |
| ITF M15 Meerbusch | 2023/04/25 11:00 | Max Alcala Gurri v Matthew William Donald | 4-6,0-6 |
| ITF M25 Trnava | 2023/03/29 13:55 | Matthew William Donald v Yanki Erel | 6-3,6-7,1-6 |
| ITF M25 Prague | 2023/05/16 10:35 | Stepan Mruzek v Matthew William Donald | 3-6,2-6 |
| ITF M25 Prague | 2023/05/15 10:30 | Daniel Siniakov v Stepan Mruzek | 7-6,4-6,9-11 |
| ITF M25 Prague | 2023/05/14 10:00 | Stepan Mruzek v Jiri Jindacek | 7-5,6-4 |
| ITF M15 Osijek | 2023/05/01 07:55 | Stepan Mruzek v Michael Gloeckler | 6-4,4-6,10-12 |
| ITF M15 Antalya | 2023/04/02 07:00 | Denis Klok v Stepan Mruzek | 6-2,6-1 |
| ITF M25 Trnava | 2023/03/28 08:00 | Stepan Mruzek v Adam Jurajda | 3-6,6-7 |
| ITF M25 Trnava | 2023/03/27 10:30 | Antonin Bolardt v Stepan Mruzek | 6-2,4-6,7-10 |
| ITF M15 Antalya | 2023/03/13 16:55 | Stepan Mruzek v Liam Gavrielides | 2-6,3-6 |