Stadium: Court 5 Round: 62 Ground: Clay
| 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 |