| Costa Rica-i liga - U20 | 2022/05/14 19:00 | AD San Carlos U20 v Alajuelense - U20 | L | 3-2 |
| Costa Rica-i liga - U20 | 2022/02/26 19:35 | AD San Carlos U20 v Alajuelense - U20 | W | 0-1 |
| Costa Rica-i liga - U20 | 2021/11/26 17:00 | Alajuelense - U20 v AD San Carlos U20 | W | 2-1 |
| Costa Rica-i liga - U20 | 2021/11/19 20:00 | AD San Carlos U20 v Alajuelense - U20 | W | 0-2 |
| Costa Rica-i liga - U20 | 2021/10/29 22:00 | AD San Carlos U20 v Alajuelense - U20 | L | 1-0 |
| Costa Rica-i liga - U20 | 2020/03/15 17:10 | AD San Carlos U20 v Alajuelense - U20 | L | 1-0 |
| Costa Rica-i liga - U20 | 2023/04/22 18:00 | AD Grecia - U20 v Alajuelense - U20 | W | 1-4 |
| Costa Rica-i liga - U20 | 2023/04/14 21:00 | Alajuelense - U20 v Municipal Perez Zeledon - U20 | W | 3-1 |
| Costa Rica-i liga - U20 | 2023/02/03 23:00 | Alajuelense - U20 v Municipal Perez Zeledon - U20 | W | 2-0 |
| Costa Rica-i liga - U20 | 2022/12/10 17:00 | Alajuelense - U20 v Santos de Guápiles - U20 | D | 1-1 |
| Costa Rica-i liga - U20 | 2022/11/19 21:00 | Cartagines - U20 v Alajuelense - U20 | W | 1-4 |
| Costa Rica-i liga - U20 | 2022/11/11 22:06 | Herediano - U20 v Alajuelense - U20 | W | 1-2 |
| Costa Rica-i liga - U20 | 2022/10/28 17:00 | Municipal Perez Zeledon - U20 v Alajuelense - U20 | W | 1-3 |
| Costa Rica-i liga - U20 | 2022/10/22 00:00 | Alajuelense - U20 v Sporting San Jose - U20 | W | 3-1 |
| Costa Rica-i liga - U20 | 2023/04/16 17:00 | AD San Carlos U20 v Deportivo Saprissa - U20 | L | 0-3 |
| Costa Rica-i liga - U20 | 2023/03/31 16:15 | AD San Carlos U20 v Herediano - U20 | W | 3-2 |
| Costa Rica-i liga - U20 | 2023/03/17 19:00 | AD San Carlos U20 v Deportivo Saprissa - U20 | D | 1-1 |
| Costa Rica-i liga - U20 | 2023/03/10 19:00 | AD San Carlos U20 v Guadalupe FC - U20 | D | 2-2 |
| Costa Rica-i liga - U20 | 2023/03/03 16:00 | Herediano - U20 v AD San Carlos U20 | L | 3-1 |
| Costa Rica-i liga - U20 | 2023/02/12 16:00 | Deportivo Saprissa - U20 v AD San Carlos U20 | L | 5-0 |
| Costa Rica-i liga - U20 | 2023/02/03 22:00 | Guadalupe FC - U20 v AD San Carlos U20 | D | 2-2 |
| Costa Rica-i liga - U20 | 2022/11/11 21:00 | AD San Carlos U20 v Deportivo Saprissa - U20 | D | 0-0 |