Stadium: Court 7 Round: 62 Ground: Clay
| ITF M15 Melilla | 2023/09/20 10:50 | Jaime Caldes v Alejo Sanchez Quilez | 2-6,4-6 |
| ITF M25 Madrid | 2023/09/13 08:00 | Jaime Caldes v Daniel Merida Aguilar | 2-6,1-6 |
| ITF M15 Madrid | 2023/09/06 13:35 | Jaime Caldes v Ryan Nijboer | 2-6,6-3,1-6 |
| ITF M25 Oviedo | 2023/08/30 10:00 | Carlos Lopez Montagud v Jaime Caldes | 6-0,6-1 |
| ITF M25 Oviedo | 2023/08/29 18:20 | Jaime Caldes v Kirill Mishkin | 6-3,7-5 |
| ITF M25 Oviedo | 2023/08/27 16:00 | Jaime Caldes v Asier Civera Martinez | 6-3,6-2 |
| ITF M25 Santander | 2023/08/23 12:05 | Jaime Caldes v Imanol L Morillo | 2-6,6-7 |
| ITF M25 Santander | 2023/08/20 14:30 | Jaime Caldes v Aaron Gil Garcia | 6-4,6-4 |
| ITF M25 Madrid | 2023/12/05 09:30 | Michiel de Krom v Mateo Luis Alvarez Sarmiento | 6-2,6-4 |
| ITF M25 Madrid | 2023/12/04 09:30 | Mateo Luis Alvarez Sarmiento v David Puig Molina | 5-7,6-1,10-7 |
| ITF M25 Madrid | 2023/12/03 10:30 | Mateo Luis Alvarez Sarmiento v Lance A L Castelan | 6-3,6-2 |
| ITF M15 Valencia | 2023/11/12 12:00 | Hernando J E Isnardi v Mateo Luis Alvarez Sarmiento | 6-3,6-4 |
| ITF M25 Benicarlo | 2023/11/05 11:30 | Ian Luca Cervantes Tomas v Mateo Luis Alvarez Sarmiento | 6-4,6-4 |
| ITF M15 Castellon | 2023/10/16 11:00 | Mateo Luis Alvarez Sarmiento v Alejandro Juan Mano | 6-4,6-7,2-10 |
| ITF M15 Castellon | 2023/10/15 10:00 | Richard Zusman v Mateo Luis Alvarez Sarmiento | 4-6,6-4,7-10 |
| ITF M15 Melilla | 2023/09/19 14:00 | Mateo Luis Alvarez Sarmiento v Max Alcala Gurri | 2-6,2-6 |