Stadium: Court 1 Round: 54 Ground: Clay
| ITF Portugal F16 | 2018/08/20 09:00 | Blanco Guadalupe, Jorge v Matos, Diego | 7-5,6-2 |
| ITF Portugal F16 | 2018/08/19 08:30 | Azevedo Pereira E Oliveira, Bernardo v Matos, Diego | 1-6,4-6 |
| ITF Portugal F16 | 2018/08/18 08:30 | Rafael I Luque v Matos, Diego | 4-6,6-7 |
| ITF Ecuador F2 | 2018/08/01 15:00 | Matos, Diego v Arconada, Jordi | 4-6,0-6 |
| ITF Ecuador F2 | 2018/07/31 15:00 | Matos, Diego v Mercier, Tyler | 6-4,7-6 |
| ITF Ecuador F2 Qual | 2018/07/30 15:00 | Matos, Diego v Luis Britto | 7-5,7-6 |
| ITF Ecuador F2 Qual | 2018/07/29 15:00 | Matos, Diego v Benitez, Emilio Juan | 4-6,6-2,6-2 |
| ITF Ecuador F1 | 2018/07/24 15:00 | Matos, Diego v March, Antonio Cayetano | 3-6,3-6 |
| ITF Spain F24 | 2018/08/18 15:00 | Ordeig, Roger v Monsonis Uso, Jose Vicent | 7-6,6-4 |
| ITF Spain F19 Qual | 2018/07/14 07:30 | Monsonis Uso, Jose Vicent v Alemany, Pablo | 6-7,0-6 |
| ITF Spain F12 | 2018/05/19 07:00 | Rodriguez Queralto, Arnau v Monsonis Uso, Jose Vicent | 7-6,6-4 |
| ITF Spain F11 | 2018/05/12 11:30 | Monsonis Uso, Jose Vicent v Aranzabal, Mikel | 4-6,5-7 |
| ITF Spain F10 Qual | 2018/04/21 11:00 | Monsonis Uso, Jose Vicent v Chaix, Louis | 2-6,2-6 |
| ITF Spain F9 Qual | 2018/04/14 12:15 | Rodriguez Queralto, Arnau v Monsonis Uso, Jose Vicent | 6-2,6-2 |
| ITF Spain F7 | 2018/03/16 12:00 | Spelta, Tommaso v Monsonis Uso, Jose Vicent | 4-6,1-6 |
| ITF Spain F6 Qual | 2018/03/10 13:30 | Monsonis Uso, Jose Vicent v Vittar, Francisco | 2-6,1-6 |