Head to Head
| Brazil Campeonato Piauiense | 2020/11/17 19:00 | Flamengo PI v River AC | W | 0-1 |
| Brazil Campeonato Piauiense | 2020/02/29 20:00 | River AC v Flamengo PI | D | 0-0 |
| Brazil Campeonato Piauiense | 2019/02/27 23:00 | Flamengo PI v River AC | W | 0-2 |
| Brazil Campeonato Piauiense | 2019/02/02 20:00 | River AC v Flamengo PI | D | 1-1 |
| Brazil Campeonato Piauiense | 2018/03/11 20:04 | Flamengo PI v River AC | W | 0-1 |
| Brazil Campeonato Piauiense | 2018/02/04 20:04 | River AC v Flamengo PI | W | 3-1 |
| Brazil Campeonato Piauiense | 2017/04/19 22:59 | River AC v Flamengo PI | W | 2-1 |
Home History
| Brazil Campeonato Piauiense | 2021/02/24 19:00 | Picos v River AC | W | 0-1 |
| Brazil Campeonato Piauiense | 2020/12/16 19:00 | River AC v EC Timon | D | 1-1 |
| Brazil Serie D | 2020/12/13 19:00 | River AC v Galvez AC | L | 0-1 |
| Brazil Campeonato Piauiense | 2020/12/10 19:00 | River AC v Parnahyba | W | 2-1 |
| Brazil Serie D | 2020/12/06 21:00 | Galvez AC v River AC | D | 0-0 |
| Brazil Campeonato Piauiense | 2020/12/01 19:00 | 4 de Julho EC v River AC | L | 2-1 |
| Brazil Serie D | 2020/11/28 19:00 | River AC v Sinop FC | W | 2-0 |
| Brazil Serie D | 2020/11/23 20:00 | Bare RR v River AC | W | 1-3 |
Away History
| Brazil Campeonato Piauiense | 2021/02/25 19:00 | Flamengo PI v Parnahyba | L | 1-2 |
| Brazil Campeonato Piauiense | 2021/02/21 18:45 | AE Altos v Flamengo PI | D | 1-1 |
| Brazil Campeonato Piauiense | 2020/12/07 19:00 | Piaui v Flamengo PI | L | 4-3 |
| Brazil Campeonato Piauiense | 2020/12/02 19:00 | Flamengo PI v Picos | L | 1-2 |
| Brazil Campeonato Piauiense | 2020/11/25 19:00 | 4 de Julho EC v Flamengo PI | D | 0-0 |
| Brazil Campeonato Piauiense | 2020/11/17 19:00 | Flamengo PI v River AC | L | 0-1 |
| Brazil Campeonato Piauiense | 2020/03/14 19:00 | Flamengo PI v EC Timon | W | 3-1 |
| Brazil Campeonato Piauiense | 2020/03/11 20:00 | AE Altos v Flamengo PI | W | 1-2 |