Stadium: Court 2 Round: 25 Ground: Clay
| ITF - M15 Héraklion | 2019/11/15 09:35 | Sergey Fomin v Veldheer, Mick | 2-6,6-4,1-6 |
| ITF - M15 Antalya | 2021/05/04 07:00 | Veldheer, Mick v Gerald Melzer | 4-6,5-7 |
| ITF - M15 Antalya | 2021/05/03 07:00 | Veldheer, Mick v Lukas H Lilleengen | 6-1,6-1 |
| ITF - M15 Antalya | 2021/05/02 06:00 | Veldheer, Mick v Gokberk Saritas | 6-3,6-3 |
| ITF - M15 Antalya | 2021/04/29 07:30 | Veldheer, Mick v Forti, Francesco | 5-7,1-6 |
| ITF - M15 Antalya | 2021/04/27 10:30 | Veldheer, Mick v Jumpei Yamasaki | 4-6,6-1,6-0 |
| ITF M25 Meerbusch | 2021/04/11 12:30 | Veldheer, Mick v Alessio Vasquez Gehrke | 1-6,6-0,9-11 |
| Challenger - Split | 2021/04/04 09:00 | Veldheer, Mick v Ignatik, Uladzimir | 1-6,3-6 |
| ITF M25 Biel | 2021/03/31 10:40 | Veldheer, Mick v Alexis Gautier | 4-6,0-6 |
| ITF - M15 Shymkent | 2021/04/08 07:25 | Sergey Fomin v Andrey Chepelev | 7-6,7-5 |
| ITF - M15 Shymkent | 2021/04/07 08:05 | Sergey Fomin v Zhanger Almashev | 6-1,6-2 |
| ITF M15 Kazan | 2021/03/12 09:25 | Sergey Fomin v Evgeny Philippov | 4-6,3-6 |
| ITF M15 Kazan | 2021/03/11 08:00 | Sergey Fomin v Dzhanashia, Shalva | 6-3,6-4 |
| ITF M15 Kazan | 2021/03/09 12:15 | Sergey Fomin v Denis Klok | 6-2,6-4 |
| Challenger Nur-Sultan Qual | 2021/02/28 04:00 | Sergey Fomin v Manafov, Vladyslav | 3-6,3-6 |
| Nur Sultan, Kazakhstan | 2021/02/21 10:35 | Sergey Fomin v Manafov, Vladyslav | 1-6,6-7 |
| ITF - M15 Antalya | 2021/02/14 12:00 | Sergey Fomin v Rafael Giotis | 3-6,5-7 |