| Date | R | Casa v Visitante | - | |
|---|---|---|---|---|
| 03/10 16:00 | - | Cartaginés Sub20 v Sporting San José Sub20 | L | 0-1 |
| 02/10 20:00 | - | Santos de Guápiles Sub20 v Cartaginés Sub20 | W | 0-1 |
| 11/27 20:00 | - | Alajuelense Sub20 v Cartaginés Sub20 | L |
|
| 11/19 21:00 | - | Cartaginés Sub20 v Alajuelense Sub20 | L | 1-4 |
| 10/28 21:00 | - | Cartaginés Sub20 v AD Grecia Sub20 | D | 2-2 |
| 10/14 17:00 | - | AD San Carlos-Sub20 v Cartaginés Sub20 | D | 3-3 |
| 09/24 00:00 | - | Cartaginés Sub20 v AD Grecia Sub20 | L | 1-2 |
| 09/03 00:00 | - | Cartaginés Sub20 v AD Guanacasteca Sub20 | W | 2-1 |
| 05/13 15:00 | - | Cartaginés Sub20 v Saprissa de Corazon Sub20 | L | 1-4 |
| 04/30 18:30 | - | Cartaginés Sub20 v Santos de Guápiles Sub20 | L | 0-1 |
| 04/22 16:00 | - | Guadalupe FC Sub20 v Cartaginés Sub20 | L | 1-0 |
| 04/13 16:00 | - | Municipal Perez Zeledon Sub20 v Cartaginés Sub20 | D | 1-1 |
| 03/26 16:00 | - | Cartaginés Sub20 v Santos de Guápiles Sub20 | D | 0-0 |
| 03/18 16:00 | - | Guadalupe FC Sub20 v Cartaginés Sub20 | D | 0-0 |
| 03/04 15:00 | - | Cartaginés Sub20 v Deportivo Saprissa Sub20 | L | 0-2 |
| 02/25 17:00 | - | Sporting San José Sub20 v Cartaginés Sub20 | W | 1-3 |
| 02/19 21:00 | - | Santos de Guápiles Sub20 v Cartaginés Sub20 | L | 1-0 |
| 02/11 15:00 | - | Cartaginés Sub20 v Guadalupe FC Sub20 | D | 1-1 |
| 02/02 16:00 | - | Municipal Perez Zeledon Sub20 v Cartaginés Sub20 | L | 2-0 |
| 10/29 16:00 | - | Municipal Perez Zeledon Sub20 v Cartaginés Sub20 | L | 3-0 |
| 03/13 16:02 | - | Guadalupe FC Sub20 v Cartaginés Sub20 | L | 1-0 |