Head to Head
| Brazil Campeonato Piauiense | 2019/04/06 19:00 | River AC v Parnahyba | L | 4-0 |
| Brazil Campeonato Piauiense | 2019/04/03 23:00 | Parnahyba v River AC | L | 0-1 |
| Brazil Campeonato Piauiense | 2019/02/17 20:00 | River AC v Parnahyba | L | 3-0 |
| Brazil Campeonato Piauiense | 2019/01/20 20:00 | Parnahyba v River AC | D | 0-0 |
| Brazil Campeonato Piauiense | 2018/03/18 20:07 | River AC v Parnahyba | L | 1-0 |
Home History
| Brazil Campeonato Piauiense | 2020/01/22 21:00 | 4 de Julho EC v Parnahyba | D | 1-1 |
| Brazil Campeonato Piauiense | 2020/01/19 20:00 | Flamengo PI v Parnahyba | L | 2-0 |
| Brazil Campeonato Piauiense | 2019/04/06 19:00 | River AC v Parnahyba | L | 4-0 |
| Brazil Campeonato Piauiense | 2019/04/03 23:00 | Parnahyba v River AC | L | 0-1 |
| Brazil Campeonato Piauiense | 2019/03/27 23:00 | Parnahyba v AE Altos | W | 2-0 |
| Brazil Campeonato Piauiense | 2019/03/09 19:00 | Piaui v Parnahyba | L | 2-0 |
| Brazil Campeonato Piauiense | 2019/02/27 22:00 | 4 de Julho EC v Parnahyba | L | 1-0 |
| Brazil Campeonato Piauiense | 2019/02/24 19:00 | Parnahyba v Flamengo PI | W | 1-0 |
Away History
| Brazil Campeonato Piauiense | 2020/01/26 20:00 | River AC v Piaui | D | 1-1 |
| Brazil Copa Nordeste | 2020/01/23 22:30 | Nautico v River AC | D | 1-1 |
| Brazil Campeonato Piauiense | 2020/01/17 23:00 | Picos v River AC | L | 2-1 |
| World Club Friendlies | 2020/01/11 20:00 | River AC v Sampaio Correa | L | 2-3 |
| Brazil Serie D | 2019/06/09 21:00 | Bragantino PA v River AC | L | 1-0 |
| Brazil Serie D | 2019/06/02 19:00 | River AC v Floresta EC | D | 2-2 |
| Brazil Serie D | 2019/05/26 19:00 | Santa Cruz RN v River AC | D | 2-2 |
| Brazil Serie D | 2019/05/19 19:00 | River AC v Santa Cruz RN | W | 5-2 |