Stadium: Court 4 Round: 14 Ground: Clay
| 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 |
| ITF M15 Antalya | 2021/02/11 06:55 | Mick Veldheer v Hamad Medjedovic | 7-5,6-3 |
| Challenger Zadar | 2021/03/25 09:30 | Vit Kopriva v Uladzimir Ignatik | 2-6,6-1,6-3 |
| Challenger Zadar | 2021/03/23 12:10 | Uladzimir Ignatik v Filip Horansky | 6-1,6-3 |
| Challenger Zadar | 2021/03/22 09:00 | Uladzimir Ignatik v Matej Sabanov | 6-4,4-6,6-1 |
| Challenger Zadar | 2021/03/21 09:30 | Uladzimir Ignatik v Luka Mikrut | 7-5,6-0 |
| ITF M15 Rovinj | 2021/03/17 10:50 | Alexandar Lazarov v Uladzimir Ignatik | 6-4,4-6,7-5 |
| Challenger St. Petersburg Qual | 2021/03/07 07:00 | Matija Pecotic v Uladzimir Ignatik | 0-6,7-6,6-4 |
| Challenger St. Petersburg | 2021/03/02 13:55 | Jesper De Jong v Uladzimir Ignatik | 6-4,4-6,6-3 |
| Challenger Biella Qual | 2021/02/14 09:00 | Uladzimir Ignatik v Blaz Kavcic | 2-6,4-6 |