Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/08/26 07:30 | Yuki Mochizuki v Gage Brymer | 3-6,6-1,0-6 |
| ITF M15 Monastir | 2021/08/24 08:30 | Marc Ros Mesas v Yuki Mochizuki | 2-6,4-6 |
| ITF M15 Monastir | 2021/08/20 08:30 | Yuki Mochizuki v Duarte Vale | 7-6,4-6,2-6 |
| ITF M15 Monastir | 2021/08/19 07:30 | Dane Sweeny v Yuki Mochizuki | 6-7,6-3,2-6 |
| ITF M15 Monastir | 2021/08/18 09:20 | Dusty H. Boyer v Yuki Mochizuki | 6-4,3-6,2-6 |
| ITF M15 Monastir | 2021/08/11 07:30 | Yuki Mochizuki v Jeremy Beale | 2-6,6-7 |
| ITF M15 Heraklion | 2021/06/13 07:00 | Ben Patael v Yuki Mochizuki | 5-7,2-6 |
| ITF M15 Heraklion | 2021/06/12 07:00 | Yuki Mochizuki v Billy Harris | 6-2,3-6,6-3 |
| ITF M15 Monastir | 2021/08/31 08:00 | August Holmgren v Johannes Ingildsen | 4-6,6-7 |
| ITF M15 Monastir | 2021/08/30 10:00 | Johannes Ingildsen v Michael Zhu | 6-2,6-0 |
| ITF M15 Monastir | 2021/08/29 08:00 | Ajay Pruthvi Nemakal v Johannes Ingildsen | 2-6,1-6 |
| ITF M15 Frederiksberg | 2021/08/06 09:00 | Benjamin Hannestad v Johannes Ingildsen | 2-6,7-6,6-2 |
| ITF M15 Frederiksberg | 2021/08/05 08:00 | Johannes Ingildsen v Matias Zukas | 6-3,6-1 |
| ITF M15 Frederiksberg | 2021/08/04 09:40 | Elmer Moller v Johannes Ingildsen | 5-7,1-6 |
| ITF M15 Vejle | 2021/07/25 11:00 | Yannik Steinegger v Johannes Ingildsen | 6-4,6-2 |
| UTR Pro Tennis Series Copenhagen | 2021/06/15 14:15 | Philip Hjorth v Johannes Ingildsen | 6-3,6-1 |