All countries
| Semi-finals | Atletico-PI U20 | Fluminense Piaui U20 | 1:0 (0:0, 1:0) | details | 23.07.2025 | |||
| Quarter-finals | Fluminense Piaui U20 | Picos U20 | 2:1 AfP (1:0, 0:1, 5:3) | details | 16.07.2025 | |||
| Group A - 5. Round | Piaui U20 | Fluminense Piaui U20 | 1:2 (0:1, 1:1) | details | 10.07.2025 | |||
| Group A - 4. Round | Fluminense Piaui U20 | Ferroviario-PI U20 | 2:0 (1:0, 1:0) | details | 03.07.2025 | |||
| Group A - 3. Round | Fluminense Piaui U20 | AE Altos U20 | 1:1 (1:1, 0:0) | details | 24.06.2025 | |||
| Group A - 2. Round | Comercial PI U20 | Fluminense Piaui U20 | 0:0 (0:0, 0:0) | details | 18.06.2025 | |||
| Group A - 1. Round | Fluminense Piaui U20 | Parnahyba U20 | 3:0 (1:0, 2:0) | details | 13.06.2025 | |||
| Semi-finals | Piaui U20 | Fluminense Piaui U20 | 2:1 (1:0, 1:1) | details | 26.07.2024 | |||
| Quarter-finals | AE Altos U20 | Fluminense Piaui U20 | 0:2 (0:0, 0:2) | details | 22.07.2024 | |||
| Group B - 8. Round | Fluminense Piaui U20 | River-PI U20 | 4:1 (3:0, 1:1) | details | 18.07.2024 | |||
| Group B - 6. Round | Flamengo PI U20 | Fluminense Piaui U20 | 0:2 (0:0, 0:2) | details | 11.07.2024 | |||
| Group B - 5. Round | Fluminense Piaui U20 | Piaui U20 | 1:4 (0:2, 1:2) | details | 08.07.2024 | |||
| Group B - 3. Round | Atletico-PI U20 | Fluminense Piaui U20 | 1:1 (0:1, 1:0) | details | 02.07.2024 | |||
| Group B - 1. Round | Fluminense Piaui U20 | TEC U20 | 0:1 (0:1, 0:0) | details | 27.06.2024 | |||
| 1/16-finals | Fluminense Piaui U20 | Tirol U20 | 2:3 AfP (1:0, 1:2, 3:5) | details | 17.08.2023 | |||
| Group 24 - 3. Round | Atletico Central U20 | Fluminense Piaui U20 | 4:0 (2:0, 2:0) | details | 11.01.2023 | |||
| Group 24 - 2. Round | Fluminense Piaui U20 | Internacional U20 | 1:3 (0:1, 1:2) | details | 07.01.2023 | |||
| Group 24 - 1. Round | Osasco Sporting U20 | Fluminense Piaui U20 | 1:0 (1:0, 0:0) | details | 04.01.2023 | |||
| Quarter-finals - Second leg | Fluminense Piaui U20 | Flamengo RJ U20 | 0:1 (0:1, 0:0) | details | 23.10.2022 | |||
| Quarter-finals - First leg | Flamengo RJ U20 | Fluminense Piaui U20 | 3:1 (1:0, 2:1) | details | 17.10.2022 | |||
| 1/8-finals - Second leg | Fluminense Piaui U20 | ABC U20 | 2:0 (1:0, 1:0) | details | 09.10.2022 | |||
| 1/8-finals - First leg | ABC U20 | Fluminense Piaui U20 | 3:3 (2:2, 1:1) | details | 05.10.2022 | |||
| 1/16-finals | Bahia U20 | Fluminense Piaui U20 | 0:1 AfP (0:0, 0:0, 3:4) | details | 28.09.2022 | |||
| Group 19 - 3. Round | Fluminense Piaui U20 | RB Bragantino U20 | 0:1 (0:1, 0:0) | details | 10.01.2022 | |||
| Group 19 - 2. Round | Jaguariuna U20 | Fluminense Piaui U20 | 0:4 (0:2, 0:2) | details | 07.01.2022 | |||
| Group 19 - 1. Round | ABC U20 | Fluminense Piaui U20 | 1:1 (1:1, 0:0) | details | 04.01.2022 | |||
| 1/16-finals | Atletico-MG U20 | Fluminense Piaui U20 | 1:0 AfP (0:0, 0:0, 4:3) | details | 12.03.2021 | |||
| 1/16-finals | Fluminense Piaui U20 | Bahia U20 | 1:2 (1:0, 0:2) | details | 07.10.2020 | |||
| Group 11 - 3. Round | Retro U20 | Fluminense Piaui U20 | 1:1 (0:1, 1:0) | details | 09.01.2020 | |||
| Group 11 - 2. Round | Fluminense Piaui U20 | Corinthians U20 | 1:3 (0:2, 1:1) | details | 07.01.2020 | |||
| Group 11 - 1. Round | Francana U20 | Fluminense Piaui U20 | 1:2 (1:1, 0:1) | details | 03.01.2020 | |||