Stadium: Court 2 Round: 62 Ground: Clay
| ITF Argentina F2 | 2018/05/19 12:00 | Alan Kohen v Daniel Alejandro Ortiz | 6-4,6-2 |
| ITF Argentina F1 | 2018/05/16 12:00 | Alan Kohen v Matias Zukas | 2-6,0-6 |
| ITF Argentina F1 | 2018/05/15 12:00 | Alan Kohen v Ignacio Monzon | 5-7,6-2,6-3 |
| ITF Greece F3 | 2018/03/14 14:20 | Alan Kohen v Nikita Mashtakov | 6-2,6-7,7-6 |
| ITF Greece F3 | 2018/03/12 08:00 | Duje Ajdukovic v Alan Kohen | 6-7,6-7 |
| ITF Greece F3 | 2018/03/11 08:00 | Alan Kohen v Calin Manda | 6-4,6-0 |
| ITF Greece F3 | 2018/03/10 07:30 | Alexander Donski v Alan Kohen | 7-6,0-6,4-6 |
| ITF Greece F2 | 2018/03/04 09:30 | Alan Kohen v Jacopo Berrettini | 2-6,2-6 |
| 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 Brazil F2 | 2018/04/28 15:00 | Gabriel P Tumasonis v Eduardo Ribeiro | 6-3,5-7,3-6 |
| ITF Brazil F1 | 2018/04/22 13:00 | Tomas Martin Etcheverry v Gabriel P Tumasonis | 6-2,4-6,6-2 |