| ITF - Türkei F10 | 2018/03/17 07:30 | Oscar Jose Gutierrez v Ivan Nedelko | 1-6,7-5,0-6 |
| Challenger - Antalya | 2021/12/07 09:10 | Cem Ilkel v Ivan Nedelko | 6-4,7-5 |
| ITF - M15 - Antalya | 2021/11/03 11:50 | Ivan Nedelko v Fermin Tenti | 6-7,4-6 |
| Challenger - Alicante | 2021/10/10 10:25 | Ivan Nedelko v Robert Galloway | 6-2,2-6,6-7 |
| ITF - M15 - Vyshkovo | 2021/09/26 07:30 | Ivan Nedelko v Gergely Madarasz | 6-7,6-3,4-6 |
| ITF - M15 - Vyshkovo | 2021/09/25 08:00 | Ivan Nedelko v Tommaso Compagnucci | 6-2,6-7,6-4 |
| 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 | Ivan Nedelko v Romain Faucon | 6-3,7-6 |
| Challenger - Meerbusch | 2021/08/09 11:20 | Nicolas Kicker v Ivan Nedelko | 2-6,7-6,7-6 |
| UTR Pro Tennis Series - Barcelona | 2021/12/17 09:00 | Oscar Jose Gutierrez v Pol Del Castillo | 1-3 |
| UTR Pro Tennis Series - Barcelona | 2021/12/15 16:28 | Oscar Jose Gutierrez v Alen Rogic-Hadzalic | 5-7,2-6 |
| UTR Pro Tennis Series - Barcelona | 2021/12/13 11:00 | Oscar Jose Gutierrez v Artem Podorozhnyi | 6-2,6-0 |
| UTR Pro Tennis Series - Barcelona | 2021/12/12 13:30 | Oscar Jose Gutierrez v Vlad Cristian Breazu | 6-2,7-6 |
| UTR Pro Tennis Series - Barcelona | 2021/12/12 08:00 | Oscar Jose Gutierrez v Yanais Laurent | 5-7,1-6 |
| UTR Pro Tennis Series - Barcelona | 2021/12/11 12:30 | Oscar Jose Gutierrez v Carlos Gimenez Perez | 6-3,6-0 |
| UTR Pro Tennis Series - Barcelona | 2021/12/09 08:00 | Oscar Jose Gutierrez v Kuzey Cekirge | 1-6,6-3,6-0 |
| UTR Pro Tennis Series - Barcelona | 2021/12/08 13:57 | Oscar Jose Gutierrez v Vlad Cristian Breazu | 1-6,6-3,5-4 |