Stadium: Court 1 Round: 27 Ground: Clay
| ITF Ukraine F1 | 2015/05/13 07:30 | Oleg Prihodko v Nedelko, Ivan | 4-6,0-6 |
| ITF M15 Vyshkovo | 2021/09/23 10:00 | Nedelko, Ivan v Romain Faucon | 6-3,7-6 |
| Challenger Meerbusch | 2021/08/09 11:20 | Nicolas Kicker v Nedelko, Ivan | 2-6,7-6,7-6 |
| Challenger Meerbusch | 2021/08/08 16:05 | Nedelko, Ivan v Haerteis, Johannes | 7-6,6-3 |
| ITF M25 Wetzlar | 2021/08/05 10:40 | Harold Mayot v Nedelko, Ivan | 3-6,6-2,6-4 |
| ITF M25 Wetzlar | 2021/08/03 16:30 | Hain, Jan Soeren v Nedelko, Ivan | 2-6,2-6 |
| ITF M15 Novi Sad | 2021/07/28 11:10 | Nedelko, Ivan v Gabriel Donev | 4-6,1-6 |
| Nur Sultan, Kazakhstan | 2021/07/20 04:00 | Tashbulatov, Dostanbek v Nedelko, Ivan | 3-6,2-6 |
| ITF M25 Marburg | 2021/07/07 14:35 | Nedelko, Ivan v Nick Hardt | 5-7,7-6,4-6 |
| ITF M15 Vyshkovo | 2021/09/23 10:00 | Ilya Snitari v Oleg Prihodko | 7-5,3-6,1-6 |
| ITF M15 Vyshkovo | 2021/09/21 09:35 | Illya Maksymchuk v Oleg Prihodko | 2-6,5-7 |
| ITF M15 Zlatibor | 2021/09/17 08:00 | Fabian Marozsan v Oleg Prihodko | 6-2,2-6,6-1 |
| ITF M15 Zlatibor | 2021/09/16 08:00 | Domagoj Biljesko v Oleg Prihodko | 2-6,3-6 |
| ITF M15 Zlatibor | 2021/09/15 11:05 | Novansky, Michal v Oleg Prihodko | 3-6,4-6 |
| ITF M15 Chornomorsk | 2021/09/03 07:00 | Denis Yevseyev v Oleg Prihodko | 6-3,7-6 |
| ITF M15 Chornomorsk | 2021/09/02 09:55 | Tommaso Compagnucci v Oleg Prihodko | 0-6,6-7 |
| ITF M15 Chornomorsk | 2021/08/31 08:35 | Vlad Andrei Dancu v Oleg Prihodko | 3-6,1-6 |