Stadium: Court 11 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Allershausen | 2021/09/05 11:00 | Guy Den Ouden v Mick Veldheer | 6-0,6-4 |
| ITF M15 Allershausen | 2021/09/04 10:00 | Mick Veldheer v David Jorda Sanchis | 6-3,6-7,6-1 |
| ITF M15 Allershausen | 2021/09/03 10:00 | Manish Sureshkumar v Mick Veldheer | 1-6,6-4,0-6 |
| ITF M15 Allershausen | 2021/09/02 11:45 | Maximilian Homberg v Mick Veldheer | 3-6,2-6 |
| ITF M15 Allershausen | 2021/08/31 11:25 | Constantin Schmitz v Mick Veldheer | 6-7,4-6 |
| ITF M25 Trier | 2021/08/27 12:00 | Marvin Moeller v Mick Veldheer | 6-3,6-3 |
| ITF M25 Trier | 2021/08/26 09:30 | Aliaksandr Bulitski v Mick Veldheer | 3-6,3-6 |
| ITF M25 Trier | 2021/08/24 10:00 | Matthew Romios v Mick Veldheer | 1-6,0-6 |
| ITF M15 Monastir | 2021/06/14 12:00 | Ji Hoon Son v Emil Reinberg | 6-2,6-2 |
| ITF M15 Monastir | 2021/06/14 08:00 | Emil Reinberg v Masamichi Imamura | 6-4,0-6,11-9 |
| ITF M15 Monastir | 2021/06/13 10:00 | Shohei Chikami v Emil Reinberg | 3-6,5-7 |
| ITF M15 Monastir | 2021/06/08 08:30 | Emil Reinberg v Seong Chan Hong | 1-6,2-6 |
| ITF M15 Monastir | 2021/06/03 08:25 | Emil Reinberg v Alejo Lorenzo Lingua Lavallen | 1-6,3-6 |
| ITF M15 Monastir | 2021/06/02 12:15 | Emil Reinberg v Guy Orly Iradukunda | 6-4,7-5 |
| ITF M15 Monastir | 2021/05/31 14:30 | Emil Reinberg v Victorio Marquiselli | 6-2,6-3 |
| ITF M15 Monastir | 2021/05/31 09:00 | Seita Watanabe v Emil Reinberg | 6-7,5-7 |