Stadium: Court 9 Vale do Lobo Round: 25
| ITF Portugal F21 | 2018/10/15 16:00 | Diego Matos v Francis Pare | 6-2,6-1 |
| ITF Portugal F21 | 2018/10/14 12:00 | Diego Matos v George Davies | 6-4,6-7,7-5 |
| ITF Nigeria F5 | 2018/10/09 09:00 | Diego Matos v Hugo Largo | 4-6,3-6 |
| ITF Nigeria F4 | 2018/10/01 12:50 | Diego Matos v Paul Emmanuel | 6-4,6-2 |
| 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 |
| Challenger Barcelona | 2018/10/09 11:00 | Miguel Semmler v Alessandro Giannessi | 4-6,3-6 |
| ITF Spain F29 | 2018/09/28 10:00 | Omar Salman v Miguel Semmler | 6-3,7-5 |
| ITF Spain F29 | 2018/09/27 10:00 | Miguel Semmler v Sergio Martos Gornes | 6-1,2-6,6-2 |
| ITF Spain F29 | 2018/09/25 08:30 | Pol Martin Tiffon v Miguel Semmler | 0-6,6-2,2-6 |
| ITF Spain F28 | 2018/09/19 09:40 | Peter Heller v Miguel Semmler | 6-1,6-4 |
| ITF Spain F26 | 2018/09/08 14:45 | Miguel Semmler v Eduard Esteve Lobato | 3-6,1-6 |
| ITF Spain F26 | 2018/09/08 09:25 | Miguel Semmler v Orlando Luz | 6-2,6-7,6-2 |
| ITF Spain F26 | 2018/09/07 12:05 | Jaume Pla Malfeito v Miguel Semmler | 6-7,2-6 |