| Brazil U20 Liga | 07/30 21:00 | - | Comercial PI - U20 v EC Flamengo Piaui - U20 | W | 1-2 | |
| Brazil U20 Liga | 07/26 19:00 | - | EC Flamengo Piaui - U20 v AE Altos - U20 | L | 2-5 | |
| Brazil U20 Liga | 07/13 21:00 | - | EC Flamengo Piaui - U20 v Piaui - U20 | D | 1-1 | |
| Brazil U20 Liga | 08/19 19:00 | - |
River AC - U20
v
EC Flamengo Piaui - U20
|
L | 2-1 | |
| Brazil U20 Liga | 08/13 21:00 | - |
EC Flamengo Piaui - U20
v
Fluminense PI - U20
|
D | 1-1 | |
| Brazil U20 Liga | 08/07 19:00 | - | Picos - U20 v EC Flamengo Piaui - U20 | D | 1-1 | |
| Brazil U20 Liga | 08/04 21:00 | - | EC Flamengo Piaui - U20 v Piaui - U20 | L | 0-1 | |
| Brazil U20 Liga | 07/31 21:00 | - | EC Timon PI U20 v EC Flamengo Piaui - U20 | W | 0-1 | |
| Brazil U20 Liga | 07/31 21:00 | - | EC Timon - U20 v EC Flamengo Piaui - U20 | W | 0-1 | |
| Brazil U20 Liga | 07/26 21:00 | - |
EC Flamengo Piaui - U20
v
River AC - U20
|
D | 1-1 | |
| Brazil U20 Liga | 07/21 21:00 | - |
Fluminense PI - U20
v
EC Flamengo Piaui - U20
|
L | 1-0 | |
| Brazil U20 Liga | 07/11 21:15 | - | Piaui - U20 v EC Flamengo Piaui - U20 | D | 0-0 | |
| Brazil U20 Liga | 07/11 21:00 | - | Piaui - U20 v EC Flamengo Piaui - U20 | D | 0-0 | |
| Brazil U20 Liga | 07/05 19:00 | - | EC Flamengo Piaui - U20 v EC Timon PI U20 | W | 2-1 |