Stadium: Court 1 Round: 28 Ground: Clay
| ITF M15 Vigo | 2023/10/13 13:15 | Nicolas Alvarez Varona v Alejo Sanchez Quilez | 1-6,6-7 |
| ITF M15 Vigo | 2023/10/12 11:40 | Iago S Pita v Alejo Sanchez Quilez | 1-6,6-7 |
| ITF M15 Vigo | 2023/10/11 12:00 | Alejo Sanchez Quilez v Alejandro Manzanera Pertusa | 0-6,7-6,6-4 |
| ITF M25 Zaragoza | 2023/10/03 15:30 | Leonid Sheyngezikht v Alejo Sanchez Quilez | 6-2,7-6 |
| ITF M15 Melilla | 2023/09/24 07:45 | Alejo Sanchez Quilez v Max Alcala Gurri | 4-6,6-0,6-1 |
| ITF M15 Melilla | 2023/09/23 07:50 | Felix Gill v Alejo Sanchez Quilez | 2-6,6-3,6-7 |
| ITF M15 Melilla | 2023/09/22 11:25 | Alejo Sanchez Quilez v Diego A B Sanchez | 7-5,6-0 |
| ITF M15 Melilla | 2023/09/21 12:40 | Alejandro Manzanera Pertusa v Alejo Sanchez Quilez | 3-6,4-6 |
| ITF M15 Vigo | 2023/10/13 10:30 | Liam Gavrielides v Michiel de Krom | 6-7,6-4,0-6 |
| ITF M15 Vigo | 2023/10/12 08:00 | Michiel de Krom v Georgii Kravchenko | 2-6,6-4,7-6 |
| ITF M15 Vigo | 2023/10/10 10:30 | Antonio Cayetano March v Michiel de Krom | 6-7,1-6 |
| ITF M25 Zaragoza | 2023/10/04 08:30 | Michiel de Krom v Carlos Lopez Montagud | 6-4,1-6,3-6 |
| ITF M25 Sabadell | 2023/09/29 14:30 | Vilius Gaubas v Michiel de Krom | 3-6,6-4,6-2 |
| ITF M25 Sabadell | 2023/09/28 11:15 | Michiel de Krom v Alex M Pujolras | 7-6,6-1 |
| ITF M25 Sabadell | 2023/09/27 11:30 | Michiel de Krom v Iker Urribarrens | 6-2,6-4 |
| ITF M15 Madrid | 2023/09/07 08:00 | Mohamed Safwat v Michiel de Krom | 6-4,6-4 |