Stadium: Cancha 1 Round: 62 Ground: Clay
| 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 Brazil F4 Qual | 2018/05/12 12:00 | Gabriel P Tumasonis v Leonardo S Frederico | 6-1,6-0 |
| ITF Brazil F3 | 2018/05/06 12:30 | Gabriel P Tumasonis v Francisco Comesana | 3-6,7-5,5-7 |
| ITF Brazil F3 | 2018/05/05 12:30 | Pedro Gabriel Rodrigues v Gabriel P Tumasonis | 6-7,5-7 |
| ITF Argentina F2 | 2018/05/21 15:00 | Genaro Alberto Olivieri v Bruno Caula | 6-3,6-2 |
| ITF Argentina F1 | 2018/05/15 13:40 | Facundo Arguello v Bruno Caula | 6-2,6-4 |
| ITF Argentina F3 | 2017/06/19 15:00 | Bruno Caula v Juan Pablo Varillas | 3-6,3-6 |
| ITF Argentina F7 | 2016/05/14 14:30 | Nicolas De Marco v Bruno Caula | 6-2,6-4 |
| ITF Argentina F5 | 2016/05/02 17:25 | Nicolas Santos v Bruno Caula | 6-1,6-1 |