Stadium: Court 3 Round: 54 Ground: Clay
| ITF M25 Skopje | 2023/06/07 12:25 | Hans Albert Schubert v Alen Bill | 3-6,1-6 |
| ITF M25 Skopje | 2023/06/06 10:00 | Stephanos Schinas v Hans Albert Schubert | 3-6,4-6 |
| ITF M25 Skopje | 2023/06/05 12:10 | Umberto Maria Giovannini v Hans Albert Schubert | 1-6,6-1,10-12 |
| UTR Pro Copenhagen | 2023/06/02 10:00 | Hans Albert Schubert v Oliver Johansson | 2-6,0-6 |
| UTR Pro Copenhagen | 2023/06/01 07:30 | Hans Albert Schubert v Petr Iamachkine | 4-6,6-3,4-6 |
| UTR Pro Copenhagen | 2023/05/30 08:38 | Hans Albert Schubert v Olle S Lidholt | 6-4,6-1 |
| UTR Pro Copenhagen | 2023/05/29 06:00 | Hans Albert Schubert v Julian Cundom | 1-6,6-4,6-2 |
| UTR Pro Copenhagen | 2023/05/28 07:30 | Christian Sigsgaard v Hans Albert Schubert | 6-0,6-2 |
| ITF M25 Jablonec Nad Nisou | 2023/05/28 13:00 | Peter Goldsteiner v Stepan Mruzek | 6-0,6-0 |
| ITF M25 Most | 2023/05/23 08:00 | Matthew William Donald v Stepan Mruzek | 6-4,6-3 |
| 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 |