Stadium: Court 1 Round: 25 Ground: Clay
| ITF M15 Vejle | 2021/07/31 11:00 | Jonathan Mridha v August Holmgren | 6-3,3-6,4-6 |
| ITF M15 Vejle | 2021/07/30 14:30 | Jonathan Mridha v Guy Den Ouden | 6-3,6-4 |
| ITF M15 Vejle | 2021/07/30 11:30 | Jonathan Mridha v Simon Yitbarek | 6-1,6-3 |
| ITF M15 Vejle | 2021/07/28 10:10 | Jonathan Mridha v Petro Orlando Fellin | 6-3,0-6,6-4 |
| ITF M25 Marburg | 2021/07/09 09:00 | Nick Hardt v Jonathan Mridha | 6-4,7-6 |
| ITF M25 Marburg | 2021/07/08 11:25 | Jonathan Mridha v Marvin Netuschil | 6-4,7-6 |
| ITF M25 Marburg | 2021/07/06 17:25 | Jonathan Mridha v Wilson Leite | 6-2,6-4 |
| ITF M15 Monastir | 2021/04/29 08:30 | Arthur Bouquier v Jonathan Mridha | 3-6,6-4,6-4 |
| ITF M15 Frederiksberg | 2021/08/02 10:20 | Adrian Oetzbach v Carl Emil Overbeck | 6-3,1-6,10-4 |
| ITF M15 Vejle | 2021/07/27 12:20 | Adrian Oetzbach v Vasil Kirkov | 7-5,3-6,3-6 |
| ITF M15 Vejle | 2021/07/26 08:00 | Adrian Oetzbach v Iiro Vasa | 6-3,7-5 |
| ITF M15 Esch/Alzette | 2021/07/19 08:55 | Marlon Vankan v Adrian Oetzbach | 6-3,6-7,10-6 |
| ITF M15 Esch/Alzette | 2021/07/18 09:45 | Rana-Roop Singh Bhullar v Adrian Oetzbach | 3-6,2-6 |
| ITF M15 Monastir | 2020/12/09 10:00 | Eliakim Coulibaly v Adrian Oetzbach | 6-2,6-4 |
| ITF M15 Monastir | 2020/12/07 13:30 | Tom Schonenberg v Adrian Oetzbach | 6-7,3-6 |
| ITF M15 Monastir | 2020/12/07 09:00 | Adrian Oetzbach v Alexander Kotzen | 6-2,6-4 |