Stadium: Quadra Central Round: 14 Ground: Clay
| ITF Brazil F9 | 2018/11/13 13:20 | Rafael Matos v Gabriel P Tumasonis | 7-6,6-1 |
| ITF M15 Sao Paulo | 2019/10/14 14:00 | Andre Miele v Gabriel P Tumasonis | 6-0,6-2 |
| ITF Brazil F9 | 2018/11/13 13:20 | Rafael Matos v Gabriel P Tumasonis | 7-6,6-1 |
| ITF Brazil F9 | 2018/11/12 13:35 | Gabriel P Tumasonis v Lucas Bernardo | 6-4,6-1 |
| ITF Brazil F8 | 2018/11/04 15:30 | Gabriel P Tumasonis v Joao Hinsching | 4-6,2-6 |
| ITF Brazil F8 | 2018/11/03 16:30 | Gabriel P Tumasonis v Hugo Moura | 6-2,6-4 |
| ITF Brazil F7 | 2018/10/27 14:30 | Pedro Gabriel Rodrigues v Gabriel P Tumasonis | 6-1,6-0 |
| ITF Brazil F6 | 2018/10/20 15:30 | Gabriel P Tumasonis v Karl W W Mac-Leay | 3-6,3-6 |
| ITF Brazil F5 | 2018/10/15 14:00 | Joao Hinsching v Gabriel P Tumasonis | 6-0,6-2 |
| Challenger Cordenons | 2021/08/01 09:00 | Camilo Ugo Carabelli v Rafael Matos | 4-6,7-5,6-2 |
| Challenger Aix en Provence | 2021/06/13 11:15 | Nikolas Sanchez Izquierdo v Rafael Matos | 6-2,6-2 |
| Challenger Tallahassee | 2021/04/18 19:30 | Rafael Matos v Sekou Bangoura | 3-6,4-6 |
| Challenger Santiago | 2021/03/16 17:10 | Pedro Sousa v Rafael Matos | 6-4,6-3 |
| Challenger Santiago | 2021/03/15 13:00 | Joao Menezes v Rafael Matos | 6-2,6-4 |
| Challenger Santiago | 2021/03/14 14:00 | Luis David Martinez v Rafael Matos | 2-6,3-6 |
| ATP Santiago | 2021/03/06 13:00 | Rafael Matos v Pedro Sakamoto | 3-6,1-6 |
| Challenger Concepcion | 2021/02/15 15:40 | Thiago Agustin Tirante v Rafael Matos | 6-3,2-6,6-3 |