| UTR Pro Tennis Series Copenhagen | 2021/06/18 09:30 | Daniel De Jonge v Jesper Klov Nilsson | 6-3,4-6,6-3 |
| UTR Pro Tennis Series Copenhagen | 2021/06/17 08:00 | Daniel De Jonge v Nikolaj Katic | 4-6,6-4,6-0 |
| UTR Pro Tennis Series Copenhagen | 2021/06/16 08:00 | Alejandro Mendoza v Daniel De Jonge | 1-6,2-6 |
| UTR Pro Tennis Series Copenhagen | 2021/06/15 08:00 | Benjamin Hannestad v Daniel De Jonge | 4-6,5-7 |
| ITF M15 Sarreguemines | 2020/10/28 11:35 | Daniel De Jonge v Arthur Cazaux | 5-7,1-6 |
| ITF M15 Sarreguemines | 2020/10/26 11:45 | Hendrik Jebens v Daniel De Jonge | 6-7,3-6 |
| ITF M15 Sarreguemines | 2020/10/25 12:20 | Axel Garcian v Daniel De Jonge | 6-4,4-6,5-10 |
| ITF M15 Forbach | 2020/09/28 17:20 | Hugo Schott v Daniel De Jonge | 6-1,6-2 |
| UTR Pro Tennis Series Copenhagen | 2021/06/18 12:30 | Philip Hjorth v Marius Ruzgas | 6-4,1-6,3-6 |
| UTR Pro Tennis Series Copenhagen | 2021/06/17 12:30 | Ludvig Aaes v Marius Ruzgas | 2-6,6-6 |
| UTR Pro Tennis Series Copenhagen | 2021/06/15 11:00 | Dominik Palan v Marius Ruzgas | 3-6,4-5 |
| UTR Pro Tennis Series Copenhagen | 2021/06/14 09:30 | Marius Ruzgas v Warren Sinius | 6-2,6-0 |
| ITF M15 Monastir | 2021/04/26 09:00 | Marius Ruzgas v Viktor Jovic | 3-6,3-6 |
| ITF M15 Monastir | 2021/04/25 12:30 | Marius Ruzgas v Mhamed Affes | 6-1,6-2 |
| ITF M15 Monastir | 2021/04/18 13:00 | Lorenzo Bresciani v Marius Ruzgas | 7-6,6-3 |
| ITF M15 Monastir | 2021/04/11 12:00 | Marius Ruzgas v Samuel Puskar | 4-6,6-7 |