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