| Tournament details | |
|---|---|
| Country | Spain |
| Teams | 16 |
| Final positions | |
| Champions | Espanyol |
| Runners-up | Mallorca |
| Tournament statistics | |
| Matches played | 29 |
| Goals scored | 94 (3.24 per match) |
The 2003 Copa del Rey Juvenil was the 53rd staging of the tournament. The competition began on May 18, 2003, and ended on June 29, 2003, with the final.
| Team 1 | Agg. | Team 2 | 1st leg | 2nd leg |
|---|---|---|---|---|
| Málaga | 1–7 | Espanyol | 1–2 | 0–5 |
| Osasuna | 5–2 | Valladolid | 5–1 | 0–1 |
| Athletic Bilbao | 6–2 | Salamanca | 3–2 | 3–0 |
| Zaragoza | 2–4 | Oviedo | 0–1 | 2–3 |
| Betis | 2–4 | Valencia | 0–1 | 2–3 |
| Murcia | 4–6 | Sevilla | 3–2 | 1–4 |
| Leganés | 5–2 | Las Palmas | 0–0 | 5–2 |
| Atlético Madrid | 0–4 | Mallorca | 0–1 | 0–3 |
| Team 1 | Agg. | Team 2 | 1st leg | 2nd leg |
|---|---|---|---|---|
| Oviedo | 0–5 | Espanyol | 0–1 | 0–4 |
| Osasuna | 0–1 | Mallorca | 0–1 | 0–0 |
| Sevilla | 1–7 | Valencia | 0–3 | 1–4 |
| Athletic Bilbao | 8–1 | Leganés | 3–0 | 5–1 |
| Team 1 | Agg. | Team 2 | 1st leg | 2nd leg |
|---|---|---|---|---|
| Espanyol | 3–2 | Valencia | 0–1 | 3–1 |
| Mallorca | 3–3 (a) | Athletic Bilbao | 0–1 | 3–2 |
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| Copa del Generalísimo Winners |
|---|
| Espanyol |