Stadium: Court 15 Round: 62 Ground: Clay
| 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 |
| ITF M25 Madrid | 2023/09/10 15:00 | Pedro A De Almeida Santos v Mateo Luis Alvarez Sarmiento | 6-3,7-5 |
| ITF M15 Madrid | 2023/09/07 07:55 | Carlos Gimeno Valero v Mateo Luis Alvarez Sarmiento | 6-7,6-1,6-2 |
| ITF M15 Madrid | 2023/09/06 11:50 | Vicente O Moratalla v Mateo Luis Alvarez Sarmiento | 2-6,4-6 |
| ITF M25 Madrid | 2023/11/27 09:00 | Luca Hesselmann v Lance A L Castelan | 6-1,6-4 |
| ITF M15 Santo Domingo | 2023/11/14 13:00 | Lance A L Castelan v Isaac Nortey | 3-6,4-6 |
| ITF M15 Santo Domingo | 2023/11/08 17:30 | Henrik Wiersholm v Lance A L Castelan | 5-7,6-0,6-2 |
| ITF M25 Santo Domingo | 2023/11/07 13:00 | Lance A L Castelan v Jonathan Backman | 6-7,6-4,13-11 |
| ITF M25 Santo Domingo | 2023/11/06 16:00 | Lance A L Castelan v Angel J Maleno Rosario | 6-4,6-4 |
| ITF M15 Morelia | 2023/10/18 20:00 | Lance A L Castelan v Ricardo Rodriguez-Pace | 4-6,5-7 |
| ITF M15 Morelia | 2023/10/17 22:35 | Lance A L Castelan v Ismael Batista Mascorro | 7-6,7-6 |
| ITF M25 Zapopan | 2023/10/08 19:00 | Lance A L Castelan v Kendrick Lambrano Suarez | 5-7,6-7 |