Round: 44 Ground: Hardcourt outdoor
| ITF Brazil F9 | 2014/10/13 15:50 | Osni Junior v Carlos E. Severino | 3-6,2-6 |
| Challenger Campinas Qual | 2014/09/15 13:30 | Caio Zampieri v Osni Junior | 6-2,6-2 |
| ITF Brazil F8 | 2014/08/18 14:55 | Eduardo Dischinger v Osni Junior | 6-4,6-0 |
| ITF Brazil F7 | 2014/08/13 14:55 | Pedro Sakamoto v Osni Junior | 6-1,6-0 |
| ITF Brazil F7 | 2014/08/11 14:10 | Osni Junior v Igor Marcondes | 6-4,6-4 |
| ITF Argentina F11 | 2014/07/22 16:25 | Osni Junior v Oscar Jose Gutierrez | 3-6,4-6 |
| ITF Argentina F10 | 2014/07/15 19:35 | Osni Junior v Juan Ignacio Galarza | 1-6,2-6 |
| ITF Argentina F8 | 2014/06/25 13:15 | Maximiliano Estevez v Osni Junior | 6-4,6-3 |
| ITF Argentina F3 | 2016/03/12 11:30 | Agustin Suarez Gonzalez v Gabriel P Tumasonis | 6-2,7-6 |
| ITF Argentina F2 | 2016/03/07 12:30 | Gabriel P Tumasonis v Federico Moreno | 1-6,2-6 |
| ITF Argentina F2 | 2016/03/06 17:00 | Gabriel P Tumasonis v Victor Bertoldo | 6-1,6-1 |
| ITF Brazil F8 | 2015/11/08 16:30 | Felipe Meligeni Rodrigues Alves v Gabriel P Tumasonis | 6-3,6-1 |
| ITF Brazil F6 | 2015/10/26 12:00 | Gabriel P Tumasonis v Asdrubal Gobernate | 1-6,4-6 |
| ITF Bolivia F2 Qual | 2015/09/12 16:30 | Gabriel P Tumasonis v Gerardo Irarrazabal | 0-6,7-6,3-6 |
| ITF Bolivia F1 | 2015/09/08 21:00 | Gabriel P Tumasonis v Murkel Dellien | 1-6,3-6 |
| ITF Bolivia F1 | 2015/09/06 14:00 | Gabriel P Tumasonis v Marco Antonio Rojas | 7-5,6-2 |