Stadium: Court 3 Round: 25 Ground: Carpet indoor
| ITF - M25 Nussloch | 2023/01/23 13:40 | Sandkaulen, Tim v Matthew William Donald | 6-3,6-2 |
| ITF - M25 Nussloch | 2023/01/22 09:00 | Sandkaulen, Tim v Matyas Cerny | 4-6,6-4,10-4 |
| ITF M25 Heraklion | 2022/11/24 09:25 | Sandkaulen, Tim v Daniel Cukierman | 2-6,1-6 |
| ITF M25 Heraklion | 2022/11/23 06:50 | Sandkaulen, Tim v Stefano D'Agostino | 6-4,6-1 |
| ITF M25 Heraklion | 2022/11/16 11:10 | Sandkaulen, Tim v Billy Harris | 4-6,6-7 |
| ITF M25 Heraklion | 2022/11/15 07:00 | Sandkaulen, Tim v Bar Menahem, Shay | 6-1,6-4 |
| ITF M25 Heraklion | 2022/11/14 10:00 | Sandkaulen, Tim v Ammar Elamin | 6-7,6-3,10-3 |
| ITF M25 Heraklion | 2022/11/13 10:00 | Sandkaulen, Tim v Liam Oliver | 6-2,6-2 |
| ITF - M25 Nussloch | 2023/01/23 15:50 | Lukas Pokorny v Jannik Opitz | 2-6,6-7 |
| ITF - M25 Nussloch | 2023/01/23 09:00 | Koch, Niklas v Jannik Opitz | 3-6,4-6 |
| ITF M25 Veigy-Foncenex | 2023/01/10 10:15 | Jannik Opitz v Bachinger, Matthias | 6-7,5-7 |
| ITF - M15 Monastir | 2022/11/10 08:30 | Jannik Opitz v Adria Soriano Barrera | 1-6,4-6 |
| ITF - M15 Monastir | 2022/11/09 10:10 | Mousa Alkotop v Jannik Opitz | 3-6,7-6,6-7 |
| ITF - M15 Monastir | 2022/11/07 12:00 | Jannik Opitz v Matthew Howse | 6-4,7-5 |
| ITF - M15 Monastir | 2022/11/07 08:00 | Jannik Opitz v Dabryian, Artsiom | 6-0,6-2 |
| ITF - M15 Monastir | 2022/11/06 08:00 | Jannik Opitz v Giovanni Agostinetto | 6-1,6-3 |