| Date | R | Casa v Visitante | - | |
|---|---|---|---|---|
| 11/26 17:00 | - | Alajuelense Sub20 v AD San Carlos-Sub20 | W | 2-1 |
| 11/19 20:00 | - | AD San Carlos-Sub20 v Alajuelense Sub20 | W | 0-2 |
| 11/12 21:00 | - | Alajuelense Sub20 v Saprissa de Corazon Sub20 | D | 2-2 |
| 11/05 21:04 | - | Saprissa de Corazon Sub20 v Alajuelense Sub20 | D | 1-1 |
| 10/29 22:00 | - | AD San Carlos-Sub20 v Alajuelense Sub20 | L | 1-0 |
| 10/15 20:00 | - | AD Guanacasteca Sub20 v Alajuelense Sub20 | W | 0-2 |
| 10/08 17:00 | - | Alajuelense Sub20 v AD Guanacasteca Sub20 | W | 4-1 |
| 03/15 17:10 | - | AD San Carlos-Sub20 v Alajuelense Sub20 | L | 1-0 |
| 03/06 17:08 | - | Alajuelense Sub20 v Herediano Sub20 | W | 3-1 |
| 02/21 19:00 | - | Alajuelense Sub20 v Santos de Guápiles Sub20 | W | 5-0 |
| 12/06 20:07 | - | Alajuelense Sub20 v ADR Jicaral Sub20 | L | 0-2 |
| 11/29 20:03 | - | ADR Jicaral Sub20 v Alajuelense Sub20 | W | 0-2 |
| 12/17 18:30 | - | San Carlos Sub20 v Alajuelense Sub20 | D | 1-1 |
| 05/20 15:05 | - | Alajuelense Sub20 v Guadalupe FC Sub20 | W | 2-0 |