2003/04 UEFA Cup fourth round

First-leg matches: 11 March
Second-leg matches: 25 March

1 Celtic FC (SCO) v FC Barcelona (ESP)
2 Genclerbirligi SK (TUR) v Valencia CF (ESP)
3 FC Girondins de Bordeaux(FRA) v Club Brugge KV (BEL)
4 Newcastle United FC (ENG) v RCD Mallorca (ESP)
5 AJ Auxerre (FRA) v PSV Eindhoven (HOL)
6 SL Benfica (POR) v FC Internazionale (ITA)
7 Liverpool FC (ENG) v Olympique de Marseille (FRA)
8 Villarreal CF (ESP) v AS Roma (ITA)