Stadium: Indoor 20 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Villena | 2022/02/03 08:30 | Oscar Jose Gutierrez v Nikolay Nedelchev | 3-6,6-0,7-5 |
| UTR Pro Tennis Series Barcelona | 2022/01/25 08:00 | Nikolay Nedelchev v Oscar Jose Gutierrez | 6-3,6-0 |
| ITF M25 Madrid | 2022/11/27 13:00 | Ivan Perez Martin v Nikolay Nedelchev | 4-6,2-6 |
| ITF M15 Sabadell | 2022/09/28 09:00 | Imanol L Morillo v Nikolay Nedelchev | 6-2,6-4 |
| ITF M15 Sabadell | 2022/09/27 08:00 | Lorenzo Bresciani v Nikolay Nedelchev | 3-6,1-6 |
| ITF M15 Sabadell | 2022/09/26 08:30 | Areg Stepanian v Nikolay Nedelchev | 2-6,0-6 |
| ITF M15 Sabadell | 2022/09/25 08:00 | Iker Urribarrens v Nikolay Nedelchev | 1-6,2-6 |
| ITF M15 Monastir | 2022/09/07 08:00 | Karan Singh v Nikolay Nedelchev | 3-6,7-5,6-4 |
| ITF M15 Monastir | 2022/09/06 09:00 | Nikolay Nedelchev v Zelimir Rudan | 6-2,6-1 |
| ITF M15 Monastir | 2022/09/05 09:00 | Nikolay Nedelchev v Amil Dodds | 6-1,6-1 |
| Challenger Valencia | 2022/11/20 11:50 | Javier Barranco Cosano v Oscar Jose Gutierrez | 6-2,3-6,6-0 |
| Challenger Roanne | 2022/11/06 09:00 | Mark Lajal v Oscar Jose Gutierrez | 6-4,6-0 |
| Challenger Brest | 2022/10/23 08:00 | Evgeny Donskoy v Oscar Jose Gutierrez | 7-6,6-2 |
| Challenger Hamburg | 2022/10/16 10:45 | Oscar Jose Gutierrez v Kai Wehnelt | 6-3,3-6,3-6 |
| Challenger Alicante | 2022/10/03 09:00 | Bu Yunchaokete v Oscar Jose Gutierrez | 6-4,7-6 |
| Challenger Alicante | 2022/10/02 08:00 | John Echeverria v Oscar Jose Gutierrez | 4-6,6-4,2-6 |
| Challenger Genova | 2022/09/20 08:00 | Oscar Jose Gutierrez v Raul Brancaccio | 1-6,2-6 |
| Challenger Genova | 2022/09/19 09:35 | Oscar Jose Gutierrez v Matteo Martineau | 4-6,6-3,2-6 |