Stadium: Court 1 Round: 27 Ground: Clay
| ITF Ukraine F1 | 2015/05/13 07:30 | Oleg Prihodko v Ivan Nedelko | 4-6,0-6 |
| ITF M15 Antalya | 2021/05/13 06:50 | Naoki Nakagawa v Ivan Nedelko | 4-6,7-6,6-3 |
| ITF M15 Antalya | 2021/05/11 07:00 | Umut Akkoyun v Ivan Nedelko | 2-6,0-6 |
| ITF M15 St Petersburg | 2021/04/11 09:00 | Ivan Nedelko v Illya Beloborodko | 2-6,7-5,6-4 |
| ITF M15 St Petersburg | 2021/04/10 08:00 | Alexander Cozbinov v Ivan Nedelko | 6-2,4-6,3-6 |
| ITF M15 St Petersburg | 2021/04/09 08:00 | Ivan Nedelko v Sarp Agabigun | 6-1,6-4 |
| ITF M15 St Petersburg | 2021/04/08 07:00 | Ivan Nedelko v Simon Freund | 6-2,6-4 |
| ITF M15 St Petersburg | 2021/04/06 09:00 | Ivan Nedelko v Petr Bar Biryukov | 6-3,6-1 |
| ITF M15 St Petersburg | 2021/04/05 08:35 | Ivan Nedelko v Martin Borisiouk | 6-2,6-1 |
| ITF M15 Valldoreix | 2021/05/11 08:00 | Nicolas Alvarez Varona v Oleg Prihodko | 6-7,6-4,11-9 |
| ITF M15 Valldoreix | 2021/05/10 08:00 | Diego F Flores v Oleg Prihodko | 1-6,6-4,11-13 |
| ITF M15 Valldoreix | 2021/05/09 12:00 | Petr Iamachkine v Oleg Prihodko | 0-6,3-6 |
| ITF M15 Majadahonda | 2021/05/03 12:00 | Rishab Agarwal v Oleg Prihodko | 6-3,5-7,10-12 |
| ITF M15 Majadahonda | 2021/05/02 16:15 | Axel Garcian v Oleg Prihodko | 5-7,2-6 |
| ITF M15 Las Palmas | 2021/04/25 11:00 | Oleg Prihodko v Thomas Deschamps | 3-6,1-6 |
| ITF M15 Antalya | 2021/04/14 12:55 | Oleg Prihodko v Stefan Palosi | 2-6,4-6 |
| ITF M15 Antalya | 2021/04/08 07:00 | Dragos Nicolae Madaras v Oleg Prihodko | 6-1,6-0 |