Head to Head
| Brazil Campeonato Piauiense | 2021/05/16 12:00 | Parnahyba v River AC | D | 1-1 |
| Brazil Campeonato Piauiense | 2021/03/24 18:45 | River AC v Parnahyba | W | 3-2 |
| Brazil Campeonato Piauiense | 2020/12/10 19:00 | River AC v Parnahyba | W | 2-1 |
| Brazil Campeonato Piauiense | 2020/01/29 23:00 | Parnahyba v River AC | L | 1-0 |
| Brazil Campeonato Piauiense | 2019/04/06 19:00 | River AC v Parnahyba | W | 4-0 |
| Brazil Campeonato Piauiense | 2019/04/03 23:00 | Parnahyba v River AC | W | 0-1 |
| Brazil Campeonato Piauiense | 2019/02/17 20:00 | River AC v Parnahyba | W | 3-0 |
| Brazil Campeonato Piauiense | 2019/01/20 20:00 | Parnahyba v River AC | D | 0-0 |
Home History
| Brazil Campeonato Piauiense | 2022/02/06 12:00 | 4 de Julho EC v River AC | L | 1-0 |
| Brazil Campeonato Piauiense | 2022/01/29 19:00 | Flamengo PI v River AC | W | 0-1 |
| Brazil Campeonato Piauiense | 2022/01/26 23:00 | River AC v AE Altos | W | 2-0 |
| Brazil Campeonato Piauiense | 2022/01/20 23:00 | River AC v AA Corisabba | W | 3-0 |
| Brazil Campeonato Piauiense | 2022/01/15 19:00 | Oeirense v River AC | D | 1-1 |
| Brazil Copa Nordeste | 2021/10/22 00:30 | CRB v River AC | L | 2-1 |
| Brazil Copa Nordeste | 2021/10/16 19:00 | River AC v Lagarto | W | 5-0 |
| Brazil Campeonato Piauiense | 2021/05/16 12:00 | Parnahyba v River AC | D | 1-1 |
Away History
| Brazil Campeonato Piauiense | 2022/02/05 20:00 | Parnahyba v Oeirense | W | 4-1 |
| Brazil Campeonato Piauiense | 2022/01/26 23:00 | AA Corisabba v Parnahyba | W | 0-2 |
| Brazil Campeonato Piauiense | 2022/01/22 20:00 | Parnahyba v 4 de Julho EC | D | 1-1 |
| Brazil Campeonato Piauiense | 2022/01/19 23:00 | AE Altos v Parnahyba | L | 3-0 |
| Brazil Campeonato Piauiense | 2022/01/15 19:00 | Parnahyba v Fluminense PI | L | 0-3 |
| Brazil Campeonato Piauiense | 2021/05/16 12:00 | Parnahyba v River AC | D | 1-1 |
| Brazil Campeonato Piauiense | 2021/05/12 18:45 | Tiradentes PI v Parnahyba | L | 4-1 |
| Brazil Campeonato Piauiense | 2021/05/09 18:45 | AE Altos v Parnahyba | L | 3-1 |