Stadium: Centre Court Round: 62 Ground: Clay
| ITF M25 Denia | 2023/07/23 14:30 | Garcia, Alejandro v Alejandro T Alvarez | 6-4,6-4 |
| ITF M25 Gandia | 2023/07/20 08:00 | Valerio Aboian v Garcia, Alejandro | 5-7,7-5,6-1 |
| ITF M25 Gandia | 2023/07/19 16:35 | Garcia, Alejandro v Molino, Javier | 6-4,6-3 |
| ITF M25 Gandia | 2023/07/18 08:00 | Carles Hernandez v Garcia, Alejandro | 6-4,4-6,5-10 |
| ITF M25 Gandia | 2023/07/17 10:00 | Iannis Miletich v Garcia, Alejandro | 2-6,6-7 |
| ITF M25 Gandia | 2023/07/16 08:00 | Garcia, Alejandro v Kirill Mishkin | 6-4,4-6,10-2 |
| ITF M25 Getxo | 2023/07/04 07:55 | Garcia, Alejandro v Vilius Gaubas | 6-4,6-7,4-6 |
| ITF M25 Bakio | 2023/06/30 15:40 | Henrique Rocha v Garcia, Alejandro | 6-2,6-3 |
| ITF M25 Denia | 2023/07/23 14:30 | Mateo Luis Alvarez Sarmiento v David Puig Molina | 6-3,6-2 |
| ITF M25 Gandia | 2023/07/18 08:00 | Molino, Javier v Mateo Luis Alvarez Sarmiento | 6-2,6-4 |
| ITF M25 Gandia | 2023/07/17 08:00 | Mateo Luis Alvarez Sarmiento v Iamachkine, Pedro | 6-4,6-3 |
| ITF M25 Gandia | 2023/07/16 08:00 | Mateo Luis Alvarez Sarmiento v Ghouse Ali Faisal | 6-1,6-3 |
| Tanger, Singles M-ITF-MAR-01A | 2023/06/04 10:30 | Cosimo Banti v Mateo Luis Alvarez Sarmiento | 7-5,3-6,10-6 |
| ITF - M25 La Nucia | 2023/05/30 08:00 | Sam K Baumgartner v Mateo Luis Alvarez Sarmiento | 7-6,6-1 |
| ITF - M25 La Nucia | 2023/05/29 09:30 | Nil Boixader Roca v Mateo Luis Alvarez Sarmiento | 0-6,3-6 |
| ITF - M25 Mataro | 2023/05/23 11:05 | Diego A B Sanchez v Mateo Luis Alvarez Sarmiento | 6-1,6-4 |