Stadium: Court 3 Round: 62 Ground: Carpet indoor
| ITF M15 Trier | 2022/08/22 08:00 | Joshua Schaefer v Niklas Koch | 5-7,4-6 |
| UTR Pro Tennis Series Blaricum | 2022/04/05 12:30 | Zachary Eisinga v Niklas Koch | 5-1 |
| UTR Pro Tennis Series Blaricum | 2022/04/04 13:30 | Twan Van Zijl v Niklas Koch | 6-1,6-1 |
| UTR Pro Tennis Series Amsterdam | 2022/03/05 12:00 | Olivier Rojas v Niklas Koch | 3-6,6-1,5-4 |
| UTR Pro Tennis Series Amsterdam | 2022/03/04 09:00 | Jurriaan Bol v Niklas Koch | 6-4,1-6,6-3 |
| UTR Pro Tennis Series Amsterdam | 2022/03/03 15:05 | Teun Rozenberg v Niklas Koch | 2-6,4-6 |
| UTR Pro Tennis Series Amsterdam | 2022/03/01 10:30 | Benjamin Dhoe v Niklas Koch | 6-4,6-4 |
| UTR Pro Tennis Series Amsterdam | 2022/02/28 12:00 | Niklas Koch v Max Houkes | 2-6,2-6 |
| ITF M25 Veigy-Foncenex | 2023/01/10 10:15 | Jannik Opitz v Matthias Bachinger | 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 Artsiom Dabryian | 6-0,6-2 |
| ITF M15 Monastir | 2022/11/06 08:00 | Jannik Opitz v Giovanni Agostinetto | 6-1,6-3 |
| ITF M15 Ithaca | 2022/10/09 13:55 | Jannik Opitz v Joshua Goodger | 4-6,4-6 |
| ITF M15 Ithaca | 2022/10/08 13:55 | Jannik Opitz v John McNally | 6-4,7-6 |