| ITF Brazil F3 | 2018/05/13 13:30 | Oscar Jose Gutierrez v Marcelo Zormann | 6-2,6-2 |
| UTR Pro Tennis Series Barcelona | 2021/06/11 08:00 | Marcelo Zormann v Xavier Gabarro | 5-7,3-6 |
| UTR Pro Tennis Series Barcelona | 2021/06/10 11:00 | Marcelo Zormann v Diego F Flores | 7-6,6-4 |
| UTR Pro Tennis Series Barcelona | 2021/06/09 12:30 | Kuzey Cekirge v Marcelo Zormann | 6-7,3-5 |
| UTR Pro Tennis Series Barcelona | 2021/06/08 11:30 | Alexandre Reco v Marcelo Zormann | 5-7,1-5 |
| UTR Pro Tennis Series Bucharest | 2021/06/05 08:30 | Marcelo Zormann v Stefan Palosi | 6-7,3-6 |
| UTR Pro Tennis Series Bucharest | 2021/06/04 10:00 | Vasile Antonescu v Marcelo Zormann | 5-7,7-5,2-5 |
| UTR Pro Tennis Series Bucharest | 2021/06/03 07:30 | Marcelo Zormann v Warren Sinius | 6-0,6-0 |
| UTR Pro Tennis Series Bucharest | 2021/05/30 10:00 | Ihor Dudun v Marcelo Zormann | 1-6,0-6 |
| UTR Pro Tennis Series Barcelona | 2021/06/11 11:00 | Bruno P Navarro v Oscar Jose Gutierrez | 6-7,4-6 |
| UTR Pro Tennis Series Barcelona | 2021/06/10 09:30 | Pol Amoros Ramos v Oscar Jose Gutierrez | 4-6,7-6,2-5 |
| UTR Pro Tennis Series Barcelona | 2021/06/09 08:00 | Jose Joaquin M Cisneros v Oscar Jose Gutierrez | 2-6,2-5 |
| UTR Pro Tennis Series Barcelona | 2021/06/07 12:30 | Oriol Roca Batalla v Oscar Jose Gutierrez | 4-6,6-4,3-6 |
| UTR Pro Tennis Series Bucharest | 2021/06/06 06:00 | Oscar Jose Gutierrez v Stefan Palosi | 7-5,4-6,2-6 |
| UTR Pro Tennis Series Bucharest | 2021/06/05 07:00 | Juan Pablo Paz v Oscar Jose Gutierrez | 3-6,1-6 |
| UTR Pro Tennis Series Bucharest | 2021/06/04 10:00 | Oscar Jose Gutierrez v Kuzey Cekirge | 6-3,6-2 |
| UTR Pro Tennis Series Bucharest | 2021/06/03 07:30 | George Botezan v Oscar Jose Gutierrez | 0-6,3-6 |