[13] Santamarina Tandil 0-2 Ferro Carril Oeste [10] 2021-07-11 18:00
Stadium: Estadio Municipal General San Martín Round: 16
Head to Head
| Argentina Nacional B | 2019/02/08 23:30 | Santamarina Tandil v Ferro Carril Oeste | W | 3-1 |
| Argentina Nacional B | 2018/04/23 23:30 | Santamarina Tandil v Ferro Carril Oeste | W | 2-1 |
| Argentina Nacional B | 2017/04/15 18:35 | Ferro Carril Oeste v Santamarina Tandil | L | 1-0 |
| Argentina Nacional B | 2016/09/17 17:05 | Santamarina Tandil v Ferro Carril Oeste | D | 1-1 |
| Argentina Nacional B | 2016/03/01 00:05 | Santamarina Tandil v Ferro Carril Oeste | W | 2-0 |
| Argentina Nacional B | 2015/11/25 22:00 | Ferro Carril Oeste v Santamarina Tandil | W | 0-2 |
| Argentina Nacional B | 2015/11/20 00:15 | Santamarina Tandil v Ferro Carril Oeste | D | 2-2 |
| Argentina Nacional B | 2015/08/01 20:45 | Ferro Carril Oeste v Santamarina Tandil | L | 2-0 |
| Argentina Nacional B | 2015/03/20 23:30 | Santamarina Tandil v Ferro Carril Oeste | D | 0-0 |