| ITF Portugal F13 | 2018/07/31 10:00 | Miguel Semedo v Rafael Mazon-Hernandez | 2-6,7-6,5-7 |
| ITF Portugal F12 Qual | 2018/07/22 10:30 | Miguel Semedo v Edoardo Graziani | 2-6,0-6 |
| ITF Portugal F12 Qual | 2018/07/21 12:00 | Miguel Semedo v Sean Collins | 6-1,1-6,6-2 |
| ITF Portugal F11 Qual | 2018/07/02 08:30 | Miguel Semedo v Emilio Andrea Segarelli | 3-6,4-6 |
| ITF Portugal F10 | 2018/06/25 09:30 | Miguel Semedo v Pedro Araujo | 3-6,5-7 |
| ITF Portugal F10 | 2018/06/24 12:00 | Miguel Semedo v Antonio Pedro Pragana | 0-6,7-5,6-3 |
| ITF Portugal F10 | 2018/06/23 12:00 | Miguel Semedo v Guilherme Valdoleiros | 6-3,6-4 |
| ITF Portugal F9 | 2018/06/16 11:30 | Miguel Semedo v Lucas Gessner | 6-2,3-6,6-7 |
| ITF Portugal F13 | 2018/07/29 08:30 | Luke Jacob Gamble v Eduardo Ribeiro | 1-6,1-6 |
| ITF Portugal F13 | 2018/07/28 14:00 | Luke Jacob Gamble v Eduardo Morais | 6-2,6-0 |
| ITF USA F18 | 2018/06/27 19:10 | Markos Kalovelonis v Luke Jacob Gamble | 7-6,6-2 |