Stadium: Court 14 Round: 62
| ITF Portugal F16 | 2018/08/18 08:30 | Dario Montes v Gabriel P Tumasonis | 4-6,5-7 |
| ITF Portugal F15 | 2018/08/11 08:30 | Gabriel P Tumasonis v Miguel Semedo | 5-7,1-6 |
| ITF Argentina F3 | 2018/05/26 12:00 | Gabriel P Tumasonis v Bruno Caula | 1-6,3-6 |
| ITF Argentina F2 | 2018/05/21 13:00 | Gabriel P Tumasonis v Juan M G Paiva | 1-6,6-7 |
| ITF Argentina F2 | 2018/05/20 13:00 | Alan Kohen v Gabriel P Tumasonis | 4-6,6-7 |
| ITF Argentina F2 | 2018/05/19 12:00 | Nicolas Zaidman v Gabriel P Tumasonis | 4-6,1-6 |
| ITF Brazil F4 Qual | 2018/05/14 14:40 | Igor Gimenez v Gabriel P Tumasonis | 6-4,6-1 |
| ITF Brazil F4 Qual | 2018/05/13 12:00 | Gabriel P Tumasonis v Francisco Llanes | 7-6,6-3 |
| ITF Portugal F15 | 2018/08/15 10:35 | Joao Monteiro v Goncalo Falcao | 6-4,7-6 |
| ITF Portugal F15 | 2018/08/13 08:30 | Goncalo Falcao v Pedro Gabriel Rodrigues | 6-3,6-0 |
| ITF Portugal F15 | 2018/08/11 08:30 | Goncalo Falcao v Vinod Sridhar | 6-3,6-0 |
| ITF Portugal F14 | 2018/08/10 10:00 | Goncalo Falcao v Frederico Ferreira Silva | 3-6,1-6 |
| ITF Portugal F14 | 2018/08/09 10:50 | Alexander Donski v Goncalo Falcao | 2-6,0-6 |
| ITF Portugal F14 | 2018/08/08 09:00 | Goncalo Falcao v Antoine Walch | 3-6,6-0,6-3 |
| ITF Portugal F13 | 2018/07/31 10:00 | Goncalo Falcao v Guilherme W Osorio | 1-6,2-6 |
| ITF Portugal F12 | 2018/07/25 09:30 | Simon Carr v Goncalo Falcao | 7-5,6-4 |