Stadium: Court 1 Round: 25 Ground: Clay
| ITF M25 Ueberlingen | 2021/08/17 12:55 | Tim Handel v Matthew Romios | 6-4,6-2 |
| ITF M25 Frankfurt am Main | 2021/08/12 11:15 | Matthew Romios v Lucas Gerch | 6-7,1-6 |
| ITF M25 Frankfurt am Main | 2021/08/11 09:00 | Roberto Ortega-Olmedo v Matthew Romios | 2-6,4-6 |
| ITF M25 Frankfurt am Main | 2021/08/10 08:30 | Matthew Romios v Yan Sabanin | 5-7,4-6 |
| ITF M25 Frankfurt am Main | 2021/08/09 11:30 | Matthew Romios v Giles Hussey | 7-6,7-6 |
| ITF M25 Wetzlar | 2021/08/05 09:00 | Louis Wessels v Matthew Romios | 6-3,6-1 |
| ITF M25 Wetzlar | 2021/08/04 12:55 | Matthew Romios v Max Wiskandt | 6-4,6-3 |
| ITF M25 Wetzlar | 2021/08/03 09:00 | Matthew Romios v Daniel Paty | 6-4,7-5 |
| ITF M25 Frankfurt am Main | 2021/08/12 09:00 | Mick Veldheer v Oriol Roca Batalla | 4-6,6-2,4-6 |
| ITF M15 Frederiksberg | 2021/08/06 12:40 | Mick Veldheer v August Holmgren | 4-6,4-6 |
| ITF M15 Frederiksberg | 2021/08/05 10:00 | Mick Veldheer v Palaphoom Kovapitukted | 0-6,6-3,6-3 |
| ITF M15 Frederiksberg | 2021/08/04 11:05 | Mick Veldheer v Philip Hjorth | 6-3,6-3 |
| 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 |