Stadion: Court 1 Round: 27 Ground: Clay
| ITF - M15 - Melilla | 2023/09/21 12:40 | Alejandro Manzanera Pertusa v Alejo Sanchez Quilez | 3-6,4-6 |
| ITF - M15 - Melilla | 2023/09/20 10:50 | Jaime Caldes v Alejo Sanchez Quilez | 2-6,4-6 |
| ITF - M15 - Madrid | 2023/09/06 08:00 | Alejo Sanchez Quilez v Matteo Lavizzari | 3-6,4-6 |
| ITF - M25 - Oviedo | 2023/08/30 13:00 | Alejo Sanchez Quilez v Imanol L Morillo | 4-6,2-6 |
| ITF - M25 - Santander | 2023/08/22 07:55 | Alejo Sanchez Quilez v Svyatoslav Gulin | 6-1,2-6,4-6 |
| ITF - M25 - Saragossa | 2022/10/04 16:00 | Alejo Sanchez Quilez v Eduard Esteve Lobato | 1-6,0-6 |
| ITF - M15 - Melilla | 2023/09/21 09:40 | Carlos Gimeno Valero v Diego A B Sanchez | 3-6,6-3,2-6 |
| ITF - M15 - Melilla | 2023/09/20 10:45 | Sam K Baumgartner v Diego A B Sanchez | 3-6,1-6 |
| Challenger - Sevilla | 2023/09/05 15:00 | Diego A B Sanchez v Mikhail Kukushkin | 4-6,4-6 |
| Challenger - Sevilla | 2023/09/04 15:35 | Carlos Sanchez Jover v Diego A B Sanchez | 6-4,2-6,5-7 |
| Challenger - Sevilla | 2023/09/04 10:30 | Diego A B Sanchez v Simon Beaupain | 6-2,6-1 |
| ITF - M25 - Oviedo | 2023/08/30 18:30 | Gian Marco Moroni v Diego A B Sanchez | 3-6,6-0,6-3 |
| ITF - M25 - Oviedo | 2023/08/30 13:50 | Ivan Marrero Curbelo v Diego A B Sanchez | 3-6,6-3,1-6 |
| ITF - M25 - Santander | 2023/08/22 14:35 | Max Alcala Gurri v Diego A B Sanchez | 6-4,3-6,6-3 |