Stadium: Court 2 Round: 25 Ground: Clay
| ITF M15 Castellon | 2023/10/17 07:30 | Nikolay Nedelchev v Pedro Iamachkine | 6-3,5-7,10-4 |
| ITF M15 Castellon | 2023/10/16 08:00 | Nikolay Nedelchev v Albert Pedrico Kravtsov | 4-6,6-2,10-6 |
| ITF M15 Castellon | 2023/10/15 10:00 | Nikolay Nedelchev v Jordi Garcia Mestre | 6-0,6-4 |
| ITF M25 Zaragoza | 2023/10/03 10:00 | Nikolay Nedelchev v Kuzey Cekirge | 1-6,1-6 |
| ITF M25 Zaragoza | 2023/10/02 08:00 | Nikolay Nedelchev v Nicolas Rafael Goldberg Alviani | 6-0,6-3 |
| ITF M25 Zaragoza | 2023/10/01 08:00 | Nikolay Nedelchev v Lucca Helguera Casado | 6-2,6-1 |
| ITF M25 Sabadell | 2023/09/26 09:40 | Nikolay Nedelchev v Iker Urribarrens | 6-2,2-6,7-10 |
| ITF M25 Sabadell | 2023/09/25 07:30 | Nikolay Nedelchev v Toprak Avcibasi | 4-6,6-3,11-9 |