Stadium: Centre Court Round: 54 Ground: Clay
| ITF M15 Allershausen | 2022/08/31 09:00 | Stepan Mruzek v Milan Welte | 4-6,3-6 |
| ITF M25 Kassel | 2023/07/10 13:05 | Milan Welte v Bengt Johan Reinhard | 6-0,6-0 |
| ITF M25 Marburg | 2023/07/05 09:00 | Milan Welte v Dominik Recek | 1-6,1-6 |
| ITF M15 Saarlouis | 2023/06/20 16:00 | Joao Fonseca v Milan Welte | 7-5,7-5 |
| ITF M15 Saarlouis | 2023/06/19 09:30 | Milan Welte v Maximilian Homberg | 6-3,6-1 |
| ITF M15 Saarlouis | 2023/06/18 09:00 | Milan Welte v Aaron James Williams | 6-4,7-6 |
| ITF M15 Creteil | 2023/03/07 16:40 | Daniil Glinka v Milan Welte | 7-6,6-1 |
| ITF M15 Creteil | 2023/03/06 09:55 | Leo Raquillet v Milan Welte | 3-6,4-6 |
| ITF M15 Creteil | 2023/03/05 08:30 | Rayane Oumaouche v Milan Welte | 6-1,4-6,8-10 |
| ITF M25 Kassel | 2023/07/10 13:40 | Noel Larwig v Stepan Mruzek | 3-6,1-6 |
| ITF M25 Poprad | 2023/06/20 09:25 | Peter Benjamin Privara v Stepan Mruzek | 7-5,7-5 |
| ITF M25 Poprad | 2023/06/19 10:25 | Michal Krajci v Stepan Mruzek | 4-6,6-7 |
| ITF M25 Poprad | 2023/06/18 11:00 | Hans Albert Schubert v Stepan Mruzek | 3-6,5-7 |
| 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 |