Stadium: Sanxenxo Indoor 1 Round: 27 Ground: Clay
| ITF M15 Vigo | 2023/10/12 14:35 | Nicolas Alvarez Varona v Tomas C Abasolo | 6-3,6-2 |
| Challenger Murcia | 2023/04/04 15:50 | Borna Gojo v Nicolas Alvarez Varona | 6-3,6-2 |
| Challenger Tenerife Qual | 2023/02/06 10:00 | Nicolas Alvarez Varona v Oscar Jose Gutierrez | 3-6,3-6 |
| Challenger Tenerife | 2023/02/04 13:00 | Nicolas Alvarez Varona v Matteo Arnaldi | 3-6,4-6 |
| Challenger Tenerife | 2023/02/03 11:00 | Nicolas Alvarez Varona v Alejandro Moro Canas | 1-6,6-2,6-3 |
| Challenger Tenerife | 2023/02/01 18:20 | Ryan Peniston v Nicolas Alvarez Varona | 7-5,2-6,1-6 |
| Challenger Tenerife | 2023/01/30 15:00 | Nicolas Alvarez Varona v Salvatore Caruso | 6-3,7-5 |
| Challenger Maia | 2022/11/29 11:00 | Nicolas Alvarez Varona v Riccardo Bonadio | 4-6,6-2,6-7 |
| 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 Melilla | 2023/09/20 10:50 | Jaime Caldes v Alejo Sanchez Quilez | 2-6,4-6 |