Stadium: Court Center(17) Round: 28 Ground: Hardcourt outdoor
| ITF M15 Heraklion | 2023/11/22 10:45 | Ioannis Xilas v Nikolay Nedelchev | 6-2,6-1 |
| ITF M15 Heraklion | 2023/11/14 08:30 | Kai Lemstra v Nikolay Nedelchev | 3-6,6-4,6-1 |
| ITF M15 Castellon | 2023/10/19 09:55 | Nikolay Nedelchev v Nicolas Alvarez Varona | 3-6,3-6 |
| ITF M15 Castellon | 2023/10/18 10:05 | Mauro Espinosa Flores v Nikolay Nedelchev | 0-6,6-7 |
| ITF M15 Castellon | 2023/10/17 07:30 | Nikolay Nedelchev v Petr 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 M15 Valencia | 2023/11/15 08:30 | Alejo Sanchez Quilez v Max Alcala Gurri | 4-6,4-6 |
| ITF M15 Valencia | 2023/11/14 08:30 | Alejo Sanchez Quilez v David Naharro Gomez | 2-6,6-7 |
| ITF M15 Valencia | 2023/11/12 12:00 | Alejo Sanchez Quilez v Artem Alekseychuk | 6-0,6-1 |
| ITF M25 Benicarlo | 2023/11/10 09:30 | Alejandro Moro Canas v Alejo Sanchez Quilez | 6-1,6-1 |
| ITF M25 Benicarlo | 2023/11/08 07:55 | Alejo Sanchez Quilez v Jordi Garcia Mestre | 6-3,6-3 |
| ITF M15 Castellon | 2023/10/17 09:00 | Liam Gavrielides v Alejo Sanchez Quilez | 6-2,6-2 |
| ITF M15 Vigo | 2023/10/15 09:30 | Alejo Sanchez Quilez v Jorge Martinez Martinez | 6-2,6-1 |
| ITF M15 Vigo | 2023/10/14 11:05 | Alejo Sanchez Quilez v Michiel de Krom | 4-6,6-2,6-4 |