Stadium: Court 2 Round: 25
| ITF Portugal F18 | 2018/09/27 10:15 | Fred Gil v Diego Matos | 6-4,6-0 |
| ITF Portugal F18 | 2018/09/26 10:25 | Diego Matos v Goncalo Falcao | 6-4,1-6,7-5 |
| ITF Portugal F18 | 2018/09/24 11:45 | Diego Matos v Fernando Andre | 4-6,6-3,6-1 |
| ITF Portugal F18 | 2018/09/23 13:00 | Diego Matos v Victor Gurevich | 6-2,6-2 |
| ITF Spain F26 | 2018/09/03 16:00 | Diego Matos v Roberto Menendez Ferre | 7-6,1-6,6-7 |
| ITF Spain F26 | 2018/09/01 16:30 | Diego Matos v Jose Vicent Monsonis Uso | 6-2,6-1 |
| ITF Portugal F16 | 2018/08/20 09:00 | Jorge Blanco Guadalupe v Diego Matos | 7-5,6-2 |
| ITF Portugal F16 | 2018/08/19 08:30 | Bernardo A P E Oliveira v Diego Matos | 1-6,4-6 |
| ITF Nigeria F4 | 2018/09/30 10:40 | Paul Emmanuel v Michael Junior Michael | 6-7,6-1,6-2 |