| ITF M25 Valldoreix | 05/05 14:30 | 62 | Oscar Jose Gutierrez v Mateo Luis Alvarez Sarmiento | 7-6,6-4 | |
| ITF M25 Sabadell | 04/28 09:30 | 62 | Mateo Luis Alvarez Sarmiento v Rodrigo Fernandes | 5-7,3-6 | |
| ITF M25 Reus | 04/03 08:00 | 25 | Mateo Luis Alvarez Sarmiento v Florent Bax | 3-6,4-6 | |
| ITF M25 Reus | 04/02 09:35 | 62 | Jaime Caldes v Mateo Luis Alvarez Sarmiento | 7-6,6-7,10-12 | |
| ITF M25 Reus | 04/01 11:30 | 62 | Mateo Luis Alvarez Sarmiento v Pere Prat Turro | 6-0,6-2 | |
| ITF M25 Reus | 03/31 10:30 | 62 | Mateo Luis Alvarez Sarmiento v Rodrigo Mora Clement | 6-2,6-2 | |
| ITF M25 Tarragona | 03/26 10:00 | 62 | Mateo Luis Alvarez Sarmiento v Pol Amoros Ramos | 0-6,2-6 | |
| ITF M25 Tarragona | 03/25 13:30 | 62 | Mateo Luis Alvarez Sarmiento v Alvaro Dagoberto Garcia Ramirez | 6-2,6-1 | |
| ITF M25 Tarragona | 03/24 15:00 | 62 | Diego F Flores v Mateo Luis Alvarez Sarmiento | 6-2,3-6,9-11 | |
| ITF M15 Les Franqueses | 03/13 10:30 | 25 | Mateo Luis Alvarez Sarmiento v Sergio Callejon Hernando | 3-6,2-6 | |
| ITF M15 Les Franqueses | 03/12 10:00 | 62 | Kane Bonsach Ganley v Mateo Luis Alvarez Sarmiento | 7-5,5-7,8-10 | |
| ITF M15 Les Franqueses | 03/11 11:00 | 62 | Filip Avdeev v Mateo Luis Alvarez Sarmiento | 6-7,4-6 | |
| ITF M15 Les Franqueses | 03/10 14:30 | 62 | Raul De La Vega v Mateo Luis Alvarez Sarmiento | 2-6,1-6 | |
| ITF M15 Villena | 02/26 15:00 | 62 | Mateo Luis Alvarez Sarmiento v Noah Lopez | 0-6,2-6 | |
| ITF M15 Villena | 02/25 11:30 | 62 | Igor Dudun v Mateo Luis Alvarez Sarmiento | 6-7,2-6 | |
| ITF M15 Villena | 02/19 12:00 | 62 | Michiel de Krom v Mateo Luis Alvarez Sarmiento | 6-4,6-0 | |
| ITF M15 Manacor | 01/21 10:00 | 62 | Mateo Luis Alvarez Sarmiento v Pavel Verbin | 6-2,5-7,6-10 | |
| ITF M15 Manacor | 01/14 13:30 | 62 | Mateo Luis Alvarez Sarmiento v Mihai Alexandru Coman | 4-6,5-7 | |
| ITF M15 Manacor | 01/08 10:30 | 62 | Stefan Peter Hampe v Mateo Luis Alvarez Sarmiento | 7-6,6-3 | |
| ITF M25 Madrid | 12/05 09:30 | 62 | Michiel de Krom v Mateo Luis Alvarez Sarmiento | 6-2,6-4 | |
| ITF M25 Madrid | 12/04 09:30 | 62 | Mateo Luis Alvarez Sarmiento v David Puig Molina | 5-7,6-1,10-7 | |
| ITF M25 Madrid | 12/03 10:30 | 62 | Mateo Luis Alvarez Sarmiento v Lance A L Castelan | 6-3,6-2 | |
| ITF M15 Valencia | 11/12 12:00 | 62 | Hernando J E Isnardi v Mateo Luis Alvarez Sarmiento | 6-3,6-4 | |
| ITF M25 Benicarló | 11/05 11:30 | 62 | Ian Luca Cervantes Tomas v Mateo Luis Alvarez Sarmiento | 6-4,6-4 | |
| ITF M15 Castellón | 10/16 11:00 | 62 | Mateo Luis Alvarez Sarmiento v Alejandro Juan Mano | 6-4,6-7,2-10 | |
| ITF M15 Castellón | 10/15 10:00 | 62 | Richard Zusman v Mateo Luis Alvarez Sarmiento | 4-6,6-4,7-10 | |
| ITF M15 Melilla | 09/19 14:00 | 25 | Mateo Luis Alvarez Sarmiento v Max Alcala Gurri | 2-6,2-6 | |
| ITF M25 Madrid | 09/10 15:00 | 62 | Pedro A De Almeida Santos v Mateo Luis Alvarez Sarmiento | 6-3,7-5 | |
| ITF M15 Madrid | 09/07 07:55 | 26 | Carlos Gimeno Valero v Mateo Luis Alvarez Sarmiento | 6-7,6-1,6-2 | |
| ITF M15 Madrid | 09/06 11:50 | 25 | Vicente O Moratalla v Mateo Luis Alvarez Sarmiento | 2-6,4-6 |