Stadium: Central Round: 62 Ground: Clay
| ITF Spain F26 | 2018/09/01 08:00 | Luis Diego Chavez Villalpando v Gabriel P Tumasonis | 6-3,7-6 |
| ITF Portugal F16 | 2018/08/19 08:30 | Gabriel P Tumasonis v Goncalo Falcao | 5-7,3-6 |
| 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 Spain F22 | 2018/08/05 20:00 | Leo Bresson v Angel G Melgar | 6-2,6-3 |
| ITF Spain F22 | 2018/08/04 19:00 | Marcos N Gallardo v Angel G Melgar | 1-6,0-6 |
| ITF Spain F15 Qual | 2018/06/10 11:30 | Clement Geens v Angel G Melgar | 7-5,6-1 |
| ITF Spain F14 Qual | 2018/06/02 08:00 | Fernando Bogajo v Angel G Melgar | 6-3,6-0 |
| ITF Spain F29 Qual | 2017/09/09 10:30 | Angel G Melgar v Lawrence Bataljin | 5-7,2-6 |