| Date | Time | Opposition | Venue | Result | Competition |
|---|---|---|---|---|---|
| 19.08.2028 | 00:00 | Getafe U18 | A | 3 – 3 | La Liga U18 |
| 26.08.2028 | 00:00 | Elche U18 | H | 4 – 3 | La Liga U18 |
| 02.09.2028 | 00:00 | Atlético Madrid U18 | A | 3 – 1 | La Liga U18 |
| 09.09.2028 | 00:00 | Villarreal U18 | H | 0 – 4 | La Liga U18 |
| 16.09.2028 | 00:00 | Las Palmas U18 | A | 3 – 1 | La Liga U18 |
| 17.09.2028 | 20:00 | Bodo/Glimt | H | 4 – 0 | Champions League |
| 23.09.2028 | 00:00 | Real Sociedad U18 | H | 1 – 1 | La Liga U18 |
| 30.09.2028 | 00:00 | Almería U18 | A | 1 – 5 | La Liga U18 |
| 01.10.2028 | 20:00 | Ajax | H | 4 – 0 | Champions League |
| 07.10.2028 | 00:00 | Racing Santander U18 | A | 1 – 2 | La Liga U18 |
| 14.10.2028 | 00:00 | Espanyol U18 | H | 2 – 1 | La Liga U18 |
| 21.10.2028 | 00:00 | Levante U18 | A | 3 – 1 | La Liga U18 |
| 22.10.2028 | 20:00 | Anderlecht | A | 0 – 1 | Champions League |
| 28.10.2028 | 00:00 | Barcelona U18 | H | 3 – 2 | La Liga U18 |
| 04.11.2028 | 00:00 | Alavés U18 | A | 0 – 1 | La Liga U18 |
| 05.11.2028 | 20:00 | Anderlecht | H | 6 – 0 | Champions League |
| 11.11.2028 | 00:00 | Athletic Bilbao U18 | H | 1 – 2 | La Liga U18 |
| 18.11.2028 | 00:00 | Valencia U18 | A | 2 – 4 | La Liga U18 |
| 25.11.2028 | 00:00 | Sevilla U18 | H | 0 – 1 | La Liga U18 |
| 26.11.2028 | 20:00 | Bodo/Glimt | A | 0 – 4 | Champions League |
| 02.12.2028 | 00:00 | Oviedo U18 | A | 2 – 1 | La Liga U18 |
| 09.12.2028 | 00:00 | Betis U18 | A | 0 – 1 | La Liga U18 |
| 10.12.2028 | 20:00 | Ajax | A | 1 – 3 | Champions League |
| 16.12.2028 | 00:00 | Mallorca U18 | H | 3 – 3 | La Liga U18 |
| 23.12.2028 | 00:00 | Celta U18 | A | 2 – 4 | La Liga U18 |
| 30.12.2028 | 00:00 | Getafe U18 | H | 2 – 0 | La Liga U18 |
| 06.01.2029 | 00:00 | Elche U18 | A | 1 – 1 | La Liga U18 |
| 13.01.2029 | 00:00 | Atlético Madrid U18 | H | 2 – 4 | La Liga U18 |
| 20.01.2029 | 00:00 | Villarreal U18 | A | 3 – 0 | La Liga U18 |
| 27.01.2029 | 00:00 | Las Palmas U18 | H | 1 – 3 | La Liga U18 |
| 03.02.2029 | 00:00 | Real Sociedad U18 | A | 2 – 2 | La Liga U18 |
| 10.02.2029 | 00:00 | Almería U18 | H | 4 – 4 | La Liga U18 |
| 17.02.2029 | 00:00 | Racing Santander U18 | H | 0 – 1 | La Liga U18 |
| 24.02.2029 | 00:00 | Espanyol U18 | A | 4 – 2 | La Liga U18 |
| 26.02.2029 | 20:00 | Vitoria Guimaraes | H | 3 – 0 | Champions League |
| 03.03.2029 | 00:00 | Levante U18 | H | 3 – 4 | La Liga U18 |
| 10.03.2029 | 00:00 | Barcelona U18 | A | 7 – 1 | La Liga U18 |
| 17.03.2029 | 00:00 | Alavés U18 | H | 1 – 3 | La Liga U18 |
| 19.03.2029 | 20:00 | Vitoria Guimaraes | A | 2 – 3 | Champions League |
| 24.03.2029 | 00:00 | Athletic Bilbao U18 | A | 5 – 2 | La Liga U18 |
| 31.03.2029 | 00:00 | Valencia U18 | H | 3 – 4 | La Liga U18 |
| 07.04.2029 | 00:00 | Sevilla U18 | A | 3 – 1 | La Liga U18 |
| 14.04.2029 | 00:00 | Oviedo U18 | H | 3 – 1 | La Liga U18 |
| 21.04.2029 | 00:00 | Betis U18 | H | 2 – 0 | La Liga U18 |
| 28.04.2029 | 00:00 | Mallorca U18 | A | – | La Liga U18 |
| 05.05.2029 | 00:00 | Celta U18 | H | – | La Liga U18 |