Stadium: Court 12 Round: 27
| ITF Portugal F14 | 2018/08/09 11:20 | Crepatte, Baptiste v Rodrigues, Pedro Gabriel | 2-6,6-7 |
| ITF Portugal F14 | 2018/08/07 16:50 | Rodrigues, Pedro Gabriel v Vernier, Michel | 6-2,6-0 |
| ITF Portugal F14 | 2018/08/06 08:30 | Tamar, Gilad v Rodrigues, Pedro Gabriel | 0-6,3-6 |
| ITF Portugal F13 | 2018/07/28 14:00 | Rafael I Luque v Rodrigues, Pedro Gabriel | 7-5,6-1 |
| ITF Portugal F12 Qual | 2018/07/21 12:00 | Rodrigues, Pedro Gabriel v Rafael I Luque | 2-6,2-6 |
| ITF Portugal F11 Qual | 2018/07/01 16:00 | Rodrigues, Pedro Gabriel v Elio Jose Ribeiro Lago | 3-6,5-7 |
| ITF Portugal F10 | 2018/06/25 09:30 | Henderson, Russell v Rodrigues, Pedro Gabriel | 6-1,6-3 |
| ITF Portugal F10 | 2018/06/24 12:00 | Fernandes, Tiago Rodrigo v Rodrigues, Pedro Gabriel | 2-6,6-7 |
| ITF Portugal F14 | 2018/08/09 09:00 | Eon, Julien v Monteiro, Joao | 3-6,2-6 |
| ITF Portugal F14 | 2018/08/08 11:00 | Andrea Bolla v Monteiro, Joao | 3-6,0-6 |
| Segovia, Spain | 2018/08/02 16:30 | Monteiro, Joao v Ugo Humbert | 1-6,3-6 |
| Segovia, Spain | 2018/07/31 15:45 | Heyman, Christopher v Monteiro, Joao | 4-6,4-6 |
| Challenger Padova | 2018/07/25 08:30 | Boluda-Purkiss, Carlos v Monteiro, Joao | 6-4,6-3 |
| Milan, Italy | 2018/06/28 09:00 | Gianluca Mager v Monteiro, Joao | 6-1,6-2 |
| Milan, Italy | 2018/06/26 09:00 | Andrea Pellegrino v Monteiro, Joao | 2-6,0-6 |
| Challenger Blois | 2018/06/19 08:30 | de Bakker, Thiemo v Monteiro, Joao | 6-2,6-2 |