Head to Head
| Brazil Serie A U20 | 2021/01/04 18:00 | Fluminense U20 v Flamengo U20 | L | 4-5 |
| Brazil Serie A U20 | 2020/12/28 18:00 | Flamengo U20 v Fluminense U20 | L | 3-1 |
| Brazil Serie A U20 | 2020/12/16 18:00 | Fluminense U20 v Flamengo U20 | D | 1-1 |
| Brazil U20 League | 2020/09/12 13:00 | Flamengo U20 v Fluminense U20 | W | 0-2 |
| Brazil Serie A U20 | 2019/10/30 17:30 | Flamengo U20 v Fluminense U20 | L | 2-1 |
| Brazil Serie A U20 | 2019/10/22 19:00 | Fluminense U20 v Flamengo U20 | L | 0-3 |
| Brazil Serie A U20 | 2019/07/15 19:30 | Flamengo U20 v Fluminense U20 | L | 4-1 |
| Brazil U20 League | 2019/07/07 13:00 | Flamengo U20 v Fluminense U20 | L | 4-1 |
Home History
| Brazil U20 League | 2021/05/15 13:00 | Macae Esporte RJ U20 v Fluminense U20 | W | 1-3 |
| Brazil Serie A U20 | 2021/01/04 18:00 | Fluminense U20 v Flamengo U20 | L | 4-5 |
| Brazil Serie A U20 | 2020/12/28 18:00 | Flamengo U20 v Fluminense U20 | L | 3-1 |
| Brazil Serie A U20 | 2020/12/20 19:00 | Ceara U20 v Fluminense U20 | W | 0-1 |
| Brazil Serie A U20 | 2020/12/16 18:00 | Fluminense U20 v Flamengo U20 | D | 1-1 |
| Brazil Serie A U20 | 2020/12/07 18:45 | Atletico Mineiro U20 v Fluminense U20 | D | 1-1 |
| Brazil Serie A U20 | 2020/12/03 18:00 | Fluminense U20 v Chapecoense U20 | D | 1-1 |
| Brazil Serie A U20 | 2020/11/30 18:00 | Vitoria BA U20 v Fluminense U20 | D | 0-0 |
Away History
| Brazil U20 League | 2021/05/15 12:00 | Flamengo U20 v Botafogo RJ U20 | W | 1-0 |
| Brazil Serie A U20 | 2021/01/10 23:00 | Atletico Paranaense U20 v Flamengo U20 | L | 3-1 |
| Brazil Serie A U20 | 2021/01/07 18:00 | Flamengo U20 v Atletico Paranaense U20 | D | 2-2 |
| Brazil Serie A U20 | 2021/01/04 18:00 | Fluminense U20 v Flamengo U20 | W | 4-5 |
| Brazil Serie A U20 | 2020/12/28 18:00 | Flamengo U20 v Fluminense U20 | W | 3-1 |
| Brazil Serie A U20 | 2020/12/20 19:00 | Flamengo U20 v Corinthians U20 | W | 3-0 |
| Brazil Serie A U20 | 2020/12/16 18:00 | Fluminense U20 v Flamengo U20 | D | 1-1 |
| Brazil Serie A U20 | 2020/12/06 18:30 | Flamengo U20 v Vitoria BA U20 | L | 1-2 |