Stadium: Court 11 Round: 14 Ground: Clay
| ITF M15 Antalya | 2021/02/10 09:40 | Mick Veldheer v Oleg Prihodko | 6-3,4-6,6-2 |
| ITF M15 Antalya | 2021/11/24 09:20 | Oleg Prihodko v Lucas Gerch | 1-6,6-4,2-6 |
| ITF M15 Antalya | 2021/11/16 06:25 | Bogdan Ionut Apostol v Oleg Prihodko | 6-4,4-6,7-6 |
| ITF M15 Antalya | 2021/11/11 08:40 | Oleg Prihodko v Bastian Malla | 4-6,1-6 |
| ITF M15 Antalya | 2021/11/03 11:05 | Oleg Prihodko v Marsel Ilhan | 6-3,3-6,3-6 |
| Challenger Sibiu | 2021/09/27 07:00 | Oleg Prihodko v Yan Bondarevskiy | 6-7,4-6 |
| Challenger Sibiu | 2021/09/26 07:30 | Uladzimir Ignatik v Oleg Prihodko | 3-6,3-6 |
| ITF M15 Vyshkovo | 2021/09/24 12:10 | Ivan Nedelko v Oleg Prihodko | 6-1,1-6,6-2 |
| ITF M15 Vyshkovo | 2021/09/23 10:00 | Ilya Snitari v Oleg Prihodko | 7-5,3-6,1-6 |
| Challenger Antalya | 2021/11/30 10:45 | Mick Veldheer v Filip Cristian Jianu | 1-6,4-6 |
| Challenger Antalya | 2021/11/29 13:00 | Pol Martin Tiffon v Mick Veldheer | 3-6,3-6 |
| ITF M15 Heraklion | 2021/11/24 10:15 | Kyle Seelig v Mick Veldheer | 6-3,6-1 |
| ITF M15 Heraklion | 2021/11/19 08:00 | Filip Bergevi v Mick Veldheer | 6-4,4-6,6-4 |
| ITF M15 Heraklion | 2021/11/18 08:40 | Leopold Zima v Mick Veldheer | 3-6,4-6 |
| ITF M15 Heraklion | 2021/11/16 08:30 | Ioannis Stamoulos v Mick Veldheer | 0-6,3-6 |
| ITF M15 Heraklion | 2021/11/12 10:00 | Mark Lajal v Mick Veldheer | 6-1,6-2 |
| ITF M15 Heraklion | 2021/11/11 09:00 | Alessandro Ragazzi v Mick Veldheer | 3-6,2-6 |