Stadion: Cancha 7 Round: 62 Ground: Clay
| ITF - Argentinien F2 | 2018/05/20 13:00 | Alan Kohen v Gabriel P Tumasonis | 4-6,6-7 |
| ITF - Argentinien F2 | 2018/05/19 12:00 | Nicolas Zaidman v Gabriel P Tumasonis | 4-6,1-6 |
| ITF - Brasilien F4 - Qualifikation | 2018/05/14 14:40 | Igor Gimenez v Gabriel P Tumasonis | 6-4,6-1 |
| ITF - Brasilien F4 - Qualifikation | 2018/05/13 12:00 | Gabriel P Tumasonis v Francisco Llanes | 7-6,6-3 |
| ITF - Brasilien F4 - Qualifikation | 2018/05/12 12:00 | Gabriel P Tumasonis v Leonardo S Frederico | 6-1,6-0 |
| ITF - Brasilien F3 | 2018/05/06 12:30 | Gabriel P Tumasonis v Francisco Comesana | 3-6,7-5,5-7 |
| ITF - Brasilien F3 | 2018/05/05 12:30 | Pedro Gabriel Rodrigues v Gabriel P Tumasonis | 6-7,5-7 |
| ITF - Brasilien F2 | 2018/04/28 15:00 | Gabriel P Tumasonis v Eduardo Ribeiro | 6-3,5-7,3-6 |
| ITF - Argentinien F2 | 2018/05/19 12:00 | Juan M G Paiva v Alberto Odiseo Alvarado Berrospi | 6-2,6-2 |
| ITF - Türkei F15 | 2018/04/15 07:30 | Milan Drinic v Juan M G Paiva | 6-1,7-5 |
| ITF - Türkei F15 | 2018/04/14 09:30 | Petr Kapuskin v Juan M G Paiva | 3-6,0-6 |
| ITF - Türkei F12 | 2018/03/24 06:30 | Juan M G Paiva v Leonard Von Hindte | 4-6,3-6 |
| ITF - Tunesien F11 | 2018/03/17 08:00 | Alexander Merino v Juan M G Paiva | 6-1,6-0 |
| ITF - Tunesien F10 | 2018/03/10 10:30 | Dan Dowson v Juan M G Paiva | 6-3,6-2 |
| ITF - Argentinien F9 | 2017/11/12 13:00 | Juan M G Paiva v Luciano Doria | 3-6,4-6 |
| ITF - Argentinien F9 | 2017/11/11 14:00 | Matias Riva v Juan M G Paiva | 0-6,6-2,6-7 |