Stadium: Quadra 5 Round: 54 Ground: Clay
| Sao Jose Do Rio Preto, Singles M-ITF-BRA-03A | 2019/06/19 14:50 | Miele, Andre v Ortiz, Oscar Gabriel | 7-5,6-3 |
| Sao Jose Do Rio Preto, Singles M-ITF-BRA-03A | 2019/06/18 12:30 | Hinsching, Joao v Ortiz, Oscar Gabriel | 6-4,6-4 |
| Buenos Aires, Singles Qualifying M-ITF-ARG-22A | 2019/05/08 17:25 | Gonzalo Villanueva v Ortiz, Oscar Gabriel | 6-2,6-3 |
| Buenos Aires, Singles Qualifying M-ITF-ARG-22A | 2019/05/06 17:15 | Estevez Maximiliano v Ortiz, Oscar Gabriel | 7-5,3-6,10-4 |
| Buenos Aires, Singles Qualifying M-ITF-ARG-22A | 2019/05/06 13:00 | Ortiz, Oscar Gabriel v Rodrigues, Pedro Gabriel | 6-4,6-2 |
| Buenos Aires, Singles Qualifying M-ITF-ARG-22A | 2019/04/30 12:00 | Nunez, V. v Ortiz, Oscar Gabriel | 6-4,6-3 |
| Buenos Aires, Singles Qualifying M-ITF-ARG-22A | 2019/04/29 12:00 | Ortiz, Oscar Gabriel v Rodrigues, Pedro Gabriel | 6-2,6-1 |
| Pinamar, Singles Qualifying M-ITF-ARG-03A | 2019/03/21 12:30 | Ortiz, Oscar Gabriel v Franco Agamenone | 1-6,0-6 |
| Curitiba, Singles M-ITF-BRA-04A | 2019/06/24 18:45 | Muzzi, Felipe v Giannella, Joao | 3-6,6-7 |
| Sao Jose Do Rio Preto, Singles M-ITF-BRA-03A | 2019/06/18 12:30 | Da Silva, Gabriel Ciro v Giannella, Joao | 6-1,6-0 |
| Sao Jose Do Rio Preto, Singles M-ITF-BRA-03A | 2019/06/17 13:30 | Segantini Bertoldo, Victor v Giannella, Joao | 2-6,1-6 |
| ITF Brazil F9 | 2018/11/13 12:00 | Giannella, Joao v Gustavo Heide | 2-6,2-6 |
| ITF Brazil F8 | 2018/11/04 13:00 | Blumenberg, Alex v Giannella, Joao | 6-2,6-1 |
| ITF Brazil F7 | 2018/10/29 12:00 | Zaidman, Nicolas v Giannella, Joao | 7-6,6-0 |
| ITF Brazil F7 | 2018/10/28 15:00 | Giannella, Joao v Gobernate, Asdrubal | 6-1,4-6,6-3 |
| ITF Brazil F7 | 2018/10/27 14:30 | Giannella, Joao v Gessner, Lucas | 6-3,6-4 |