Stadion: Quadra 1 Round: 45
| Challenger - Buenos Aires - Qualifikation | 2017/10/07 20:30 | Fernando Romboli v Juan Ignacio Londero | 1-6,1-6 |
| Challenger - Campinas - Qualifikation | 2017/09/30 18:00 | Carlos Eduardo Severino v Fernando Romboli | 6-2,6-2 |
| ITF - Ägypten F24 | 2017/09/08 11:00 | Fernando Romboli v Johan Sebastien Tatlot | 6-3,3-6,0-6 |
| ITF - Ägypten F24 | 2017/09/07 09:10 | Fernando Romboli v Neven Krivokuca | 3-6,7-5,6-4 |
| ITF - Ägypten F24 | 2017/09/06 11:05 | Fernando Romboli v Moritz Trocker | 6-2,6-2 |
| Challenger - Como - Qualifikation | 2017/08/26 11:40 | Andrea Pellegrino v Fernando Romboli | 6-2,6-1 |
| Challenger - Floridablanca | 2017/08/08 16:00 | Guido Pella v Fernando Romboli | 6-2,6-0 |
| ITF - Deutschland F8 | 2017/07/18 11:00 | Fernando Romboli v Maxime Chazal | 1-6,4-6 |
| Challenger - Campinas - Qualifikation | 2016/10/01 14:20 | Alex Blumenberg v Osni Junior | 6-1,6-2 |
| Challenger - Santos | 2016/09/21 14:00 | Osni Junior v Thiago Monteiro | 2-6,6-7 |
| ITF - Brasilien F4 - Qualifikation | 2016/07/17 14:30 | Felipe Meligeni Rodrigues Alves v Osni Junior | 7-5,6-3 |
| ITF - Brasilien F4 - Qualifikation | 2016/07/17 12:00 | Osni Junior v Gabriel P Tumasonis | 6-3,6-2 |
| ITF - Brasilien F4 - Qualifikation | 2016/07/16 12:00 | Osni Junior v Gabriel Ciro Da Silva | 7-6,6-3 |
| ITF - Brasilien F9 | 2014/10/13 15:50 | Osni Junior v Carlos E. Severino | 3-6,2-6 |
| Challenger - Campinas - Qualifikation | 2014/09/15 13:30 | Caio Zampieri v Osni Junior | 6-2,6-2 |
| ITF - Brasilien F8 | 2014/08/18 14:55 | Eduardo Dischinger v Osni Junior | 6-4,6-0 |