Stadion: Court 3 Round: 62 Ground: Clay
| ITF - M15 - Sarajevo | 2023/06/05 09:30 | Marko Stakusic v Alen Mujakic | 6-0,3-6,10-6 |
| ITF - M15 - Antalya | 2022/03/20 07:00 | Elgin Khoeblal v Alen Mujakic | 6-4,6-2 |
| ITF - M15 - Oberhaching | 2022/02/16 11:00 | Sascha Gueymard Wayenburg v Alen Mujakic | 6-4,6-0 |
| Challenger - Eckental | 2021/10/31 11:30 | Mischa Zverev v Alen Mujakic | 6-2,6-1 |
| ITF - M15 - Allershausen | 2021/08/31 10:00 | Alen Mujakic v Juan Ignacio Galarza | 3-6,2-6 |
| ITF - M25 - Esch/Alzette | 2023/07/17 10:20 | Joel Angel Lucero v Rik Muller | 6-2,6-3 |
| ITF - M25 - Esch/Alzette - Qualifikation | 2023/07/16 12:00 | Rik Muller v Thomas George Brun | 6-2,6-3 |
| ITF - M25 - Den Haag | 2023/07/02 10:30 | Felix Corwin v Rik Muller | 6-2,6-3 |
| ITF - M15 - Duffel | 2023/06/11 12:30 | Rik Muller v Noah Schlagenhauf | 6-7,7-6,6-10 |
| UTR Pro - Hilversum | 2023/05/03 07:30 | Rik Muller v Elgin Khoeblal | 4-6,1-6 |
| UTR Pro - Hilversum | 2023/05/02 06:00 | Rik Muller v Federico Moreno | 4-6,6-6 |
| UTR Pro - Hilversum | 2023/05/01 11:42 | Rik Muller v Miguel Fernando Pereira | 2-6,2-6 |
| UTR Pro - Hilversum | 2023/04/30 07:30 | Rik Muller v Jesse Timmermans | 3-6,6-4,6-7 |