| Costa Rica U20 League | 2021/10/08 17:00 | Alajuelense U20 v AD Guanacasteca U20 | L | 4-1 |
| Costa Rica U20 League | 2021/10/08 17:00 | Alajuelense U20 v AD Guanacasteca U20 | L | 4-1 |
| Costa Rica U20 League | 2021/10/08 17:00 | Alajuelense U20 v AD Guanacasteca U20 | W | 4-1 |
| Costa Rica U20 League | 2020/03/15 17:10 | AD San Carlos U20 v Alajuelense U20 | L | 1-0 |
| Costa Rica U20 League | 2020/03/06 17:08 | Alajuelense U20 v Herediano U20 | W | 3-1 |
| Costa Rica U20 League | 2020/02/21 19:00 | Alajuelense U20 v Santos de Guápiles U20 | W | 5-0 |
| Costa Rica U20 League | 2019/12/06 20:07 | Alajuelense U20 v ADR Jicaral U20 | L | 0-2 |
| Costa Rica U20 League | 2019/11/29 20:03 | ADR Jicaral U20 v Alajuelense U20 | W | 0-2 |
| Costa Rica U20 League | 2018/12/17 18:30 | San Carlos U20 v Alajuelense U20 | D | 1-1 |
| Costa Rica U20 League | 2018/05/20 15:05 | Alajuelense U20 v Guadalupe FC U20 | W | 2-0 |