Stadium: Court 1 Round: 54 Ground: Clay
| 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 |
| ITF M25 Madrid | 2023/09/14 14:10 | Miguel Damas v Nikolay Nedelchev | 6-3,6-3 |
| ITF M25 Madrid | 2023/09/12 12:55 | Nikolay Nedelchev v Luke Simkiss | 6-3,4-6,7-5 |
| ITF M15 Budapest | 2023/09/07 10:20 | Mariano Tammaro v Nikolay Nedelchev | 6-4,6-3 |
| ITF M15 Budapest | 2023/09/05 11:40 | Nikolay Nedelchev v Vito Tonejc | 6-2,6-4 |
| ITF M15 Budapest | 2023/09/01 10:00 | Nikolay Nedelchev v Matyas Fuele | 4-6,3-6 |
| ITF M15 Budapest | 2023/08/31 08:00 | Matthew Summers v Nikolay Nedelchev | 1-6,4-6 |
| ITF M15 Melilla | 2023/09/18 12:30 | Ausias Martin Melo v Lucca Helguera Casado | 6-1,4-6,10-6 |
| ITF M25 Madrid | 2023/09/10 15:00 | Lucca Helguera Casado v Peetu Pohjola | 2-6,4-6 |
| ITF M15 Madrid | 2023/09/03 14:00 | Lucca Helguera Casado v Luca Parenti | 1-6,6-7 |
| ITF M25 Oviedo | 2023/08/28 12:05 | Iker Urribarrens v Lucca Helguera Casado | 6-2,6-2 |
| ITF M25 Santander | 2023/08/20 14:30 | Iker Urribarrens v Lucca Helguera Casado | 6-2,6-4 |
| ITF M15 Xativa | 2023/07/30 15:00 | Lucca Helguera Casado v Mikel Martinez | 3-6,3-6 |
| ITF M25 Denia | 2023/07/24 09:00 | Carles Hernandez v Lucca Helguera Casado | 6-2,6-0 |
| ITF M25 Madrid | 2022/12/04 10:15 | David Naharro v Lucca Helguera Casado | 6-7,6-4,10-6 |