Stadium: Court 5 Round: 26 Ground: Clay
| ITF M15 Sharm El Sheikh | 2021/03/06 07:30 | Yu Hsiou Hsu v Nick Hardt | 6-1,6-1 |
| ITF M15 Sharm El Sheikh | 2021/03/05 07:30 | Jakub Paul v Nick Hardt | 3-6,3-6 |
| ITF M15 Sharm El Sheikh | 2021/03/04 09:05 | Nick Hardt v Yusuke Takahashi | 6-3,6-2 |
| ITF M15 Sharm El Sheikh | 2021/03/03 09:20 | Nick Hardt v Samuel Vincent Ruggeri | 7-5,6-4 |
| ITF M15 Sharm El Sheikh | 2021/02/24 12:20 | Sho Shimabukuro v Nick Hardt | 7-6,4-6,7-6 |
| ITF M15 Sharm El Sheikh | 2021/02/17 09:00 | Marek Gengel v Nick Hardt | 6-4,6-2 |
| ITF M15 Sharm El Sheikh | 2021/02/09 09:05 | Nick Hardt v Daniel Cox | 4-6,3-6 |
| ITF M15 Sharm El Sheikh | 2021/02/08 12:00 | Nick Hardt v Maik Steiner | 6-3,6-1 |
| Challenger Split | 2021/04/04 09:00 | Mick Veldheer v Uladzimir Ignatik | 1-6,3-6 |
| ITF M25 Biel | 2021/03/31 10:40 | Mick Veldheer v Alexis Gautier | 4-6,0-6 |
| ITF M25 Biel | 2021/03/30 10:00 | Mick Veldheer v Jakub Paul | 6-2,4-6,10-6 |
| ITF M25 Biel | 2021/03/29 14:30 | Mick Veldheer v Jan Sebesta | 6-3,6-1 |
| ITF M15 Poitiers | 2021/03/17 09:00 | Mick Veldheer v Martin Breysach | 1-6,6-4,6-7 |
| ITF M15 Antalya | 2021/02/24 11:25 | Matias Zukas v Mick Veldheer | 6-4,6-1 |
| ITF M15 Antalya | 2021/02/16 07:00 | David Pichler v Mick Veldheer | 6-2,6-2 |
| ITF M15 Antalya | 2021/02/12 10:30 | Federico Arnaboldi v Mick Veldheer | 6-3,7-6 |