[15] San Martin de San Juan 0-0 Guillermo Brown [18] 2021-07-31 19:00
Stadium: Estadio Ingeniero Hilario Sánchez Round: 19
Head to Head
| Argentina Nacional B | 2021/03/21 19:00 | Guillermo Brown v San Martin de San Juan | D | 0-0 |
| Argentina Nacional B | 2021/01/10 20:10 | Guillermo Brown v San Martin de San Juan | W | 0-1 |
| Argentina Nacional B | 2019/11/24 20:00 | Guillermo Brown v San Martin de San Juan | D | 0-0 |