Stadium: Court 8 Round: 25 Ground: Clay
| ITF M15 Vejle | 2021/07/29 16:30 | Guy Den Ouden v Mick Veldheer | 6-4,6-0 |
| ITF M15 Vejle | 2021/07/28 12:45 | Gabriel Decamps v Mick Veldheer | 3-6,1-6 |
| ITF M15 Esch/Alzette | 2021/07/22 09:55 | Nicholas David Ionel v Mick Veldheer | 7-6,1-6,6-4 |
| ITF M15 Esch/Alzette | 2021/07/21 11:50 | Marlon Vankan v Mick Veldheer | 3-6,6-0,6-7 |
| ITF M15 Esch/Alzette | 2021/07/20 15:50 | Kirill Kivattsev v Mick Veldheer | 4-6,3-6 |
| ITF M25 Telfs | 2021/07/16 08:50 | Bogdan Ionut Apostol v Mick Veldheer | 6-4,5-7,7-5 |
| ITF M25 Telfs | 2021/07/13 09:20 | Mick Veldheer v Alibek Kachmazov | 6-4,6-0 |
| ITF M25 The Hague | 2021/06/28 10:05 | Mick Veldheer v Sidane Pontjodikromo | 5-7,3-6 |
| ITF M15 Frederiksberg | 2021/08/02 09:00 | Philip Hjorth v Jordi Walder | 6-1,4-6,10-3 |
| ITF M15 Frederiksberg | 2021/08/01 08:00 | Robin Thour v Philip Hjorth | 0-6,1-6 |
| ITF M15 Vejle | 2021/07/26 07:55 | Philip Hjorth v Petro Orlando Fellin | 6-7,6-4,7-10 |
| ITF M15 Vejle | 2021/07/25 07:00 | Adam Heinonen v Philip Hjorth | 1-6,6-4,8-10 |
| UTR Pro Tennis Series Copenhagen | 2021/06/19 13:00 | Maxim Landa v Philip Hjorth | 7-5,7-6 |
| 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 | 2021/06/16 11:00 | Philip Hjorth v Warren Sinius | 6-3,6-5 |
| UTR Pro Tennis Series Copenhagen | 2021/06/15 14:15 | Philip Hjorth v Johannes Ingildsen | 6-3,6-1 |