Stadium: Court 7 Round: 25 Ground: Hardcourt outdoor
| ITF Nigeria F4 | 2018/10/01 12:50 | Matos, Diego v Emmanuel, Paul | 6-4,6-2 |
| ITF Portugal F18 | 2018/09/27 10:15 | Gil, Fred v Matos, Diego | 6-4,6-0 |
| ITF Portugal F18 | 2018/09/26 10:25 | Matos, Diego v Goncalo Falcao | 6-4,1-6,7-5 |
| ITF Portugal F18 | 2018/09/24 11:45 | Matos, Diego v Andre, Fernando | 4-6,6-3,6-1 |
| ITF Portugal F18 | 2018/09/23 13:00 | Matos, Diego v Gurevich, Victor | 6-2,6-2 |
| ITF Spain F26 | 2018/09/03 16:00 | Matos, Diego v Menendez Ferre, Roberto | 7-6,1-6,6-7 |
| ITF Spain F26 | 2018/09/01 16:30 | Matos, Diego v Monsonis Uso, Jose Vicent | 6-2,6-1 |
| ITF Portugal F16 | 2018/08/20 09:00 | Blanco Guadalupe, Jorge v Matos, Diego | 7-5,6-2 |
| ITF Nigeria F4 | 2018/10/03 10:40 | Largo, Hugo v Arthur Rinderknech | 3-6,2-6 |
| ITF Nigeria F4 | 2018/10/02 11:20 | Largo, Hugo v Paul, Christian | 6-2,6-0 |
| ITF Spain F24 | 2018/08/20 09:00 | Largo, Hugo v Boris Arias | 3-6,6-4,4-6 |
| ITF Spain F22 | 2018/08/07 20:00 | Largo, Hugo v Canas Garcia, Juan Pablo | 1-6,4-6 |
| ITF Portugal F13 | 2018/08/03 16:00 | Daniel Batista v Largo, Hugo | 7-5,5-7,7-6 |
| ITF Portugal F13 | 2018/08/02 14:35 | Largo, Hugo v Cabral, Francisco | 5-7,6-1,6-4 |
| ITF Portugal F13 | 2018/07/31 14:10 | Almeida, Tomas v Largo, Hugo | 1-6,6-7 |
| ITF Portugal F12 | 2018/07/26 14:40 | Wilson Leite v Largo, Hugo | 6-2,6-2 |