| ITF M25 Eupen | 2021/09/06 11:00 | 가다마우리, 부바이살 v Koch, Niklas | 6-2,6-2 |
| ITF M25 Eupen | 2021/09/05 12:00 | Koch, Niklas v Temirhanov, Arslanbek | 6-1,6-2 |
| ITF M15 Manacor | 2020/01/12 11:30 | 하리스, 빌리 v Koch, Niklas | 6-1,6-1 |
| ITF M15 Manacor | 2020/01/05 09:00 | 피에트리, 벤자민 v Koch, Niklas | 6-0,6-1 |
| ITF M15 Monastir | 2019/12/16 08:00 | 코피니, 알레산드로 v Koch, Niklas | 3-6,7-6,10-6 |
| ITF M15 Monastir | 2019/12/15 08:00 | 바이와, 체라그 v Koch, Niklas | 6-7,6-4,8-10 |
| Monastir, Singles Qualifying M-ITF-TUN-52A | 2019/12/08 08:30 | Koch, Niklas v 스테이너, 마이크 | 2-6,3-6 |
| ITF M15 Kaarst | 2019/02/04 08:30 | 반 델 미어스첸, 마르틴 v Koch, Niklas | 7-5,7-6 |
| UTR Pro Tennis Series Amsterdam | 2021/11/06 10:30 | 호우케스, 맥스 v Miko Wassermann | 6-4,6-3 |
| UTR Pro Tennis Series Amsterdam | 2021/11/04 12:00 | Miko Wassermann v 바탈진, 로렌스 | 6-1,6-3 |
| UTR Pro Tennis Series Amsterdam | 2021/11/03 09:00 | Miko Wassermann v Jip Van Assendelft | 1-6,4-5 |
| UTR Pro Tennis Series Amsterdam | 2021/11/02 12:00 | Miko Wassermann v Willems, Johann | 2-6,2-6 |
| UTR Pro Tennis Series Amsterdam | 2021/11/01 13:30 | Miko Wassermann v 덴 헤이젤, 구이 | 2-6,5-7 |