[14] All Boys 0-1 San Martin de San Juan [16] 2021-08-15 18:30
Stadium: Estadio Islas Malvinas Round: 21
Head to Head
| Argentina Nacional B | 2021/04/04 19:45 | San Martin de San Juan v All Boys | W | 0-2 |
Home History
| Argentina Nacional B | 2021/08/11 00:10 | Ferro Carril Oeste v All Boys | D | 0-0 |
| Argentina Nacional B | 2021/07/31 18:30 | All Boys v CA Brown de Adrogue | D | 1-1 |
| Argentina Nacional B | 2021/07/25 18:05 | Deportivo Moron v All Boys | L | 3-0 |
| Argentina Nacional B | 2021/07/17 18:30 | All Boys v Guillermo Brown | W | 3-0 |
| Argentina Nacional B | 2021/07/11 18:00 | CA Guemes v All Boys | L | 1-0 |
| Argentina Nacional B | 2021/07/04 18:30 | All Boys v Atletico Rafaela | L | 0-1 |
| Argentina Nacional B | 2021/06/27 18:00 | Almagro v All Boys | L | 3-0 |
| Argentina Nacional B | 2021/06/23 17:00 | All Boys v Independiente Rivadavia | D | 1-1 |
Away History
| Argentina Nacional B | 2021/08/07 18:00 | CA Brown de Adrogue v San Martin de San Juan | L | 1-0 |
| Argentina Nacional B | 2021/07/31 19:00 | San Martin de San Juan v Guillermo Brown | D | 0-0 |
| Argentina Nacional B | 2021/07/24 18:30 | Atletico Rafaela v San Martin de San Juan | W | 0-2 |
| Argentina Nacional B | 2021/07/17 18:30 | Independiente Rivadavia v San Martin de San Juan | D | 1-1 |
| Argentina Nacional B | 2021/07/12 18:30 | San Martin de San Juan v Barracas Central | L | 2-3 |
| Argentina Nacional B | 2021/07/04 18:30 | Instituto AC Cordoba v San Martin de San Juan | D | 1-1 |
| Argentina Nacional B | 2021/06/29 19:00 | San Martin de San Juan v Gimnasia Jujuy | D | 2-2 |
| Argentina Nacional B | 2021/06/22 18:00 | Tristan Suarez v San Martin de San Juan | L | 4-1 |