2003–04 European Challenge Cup Round 1 Aggregate Results

| Winners | Match_points | Aggregate_score | Points_margin | Losers |
|---|---|---|---|---|
| Pau | 4 – 0 | 58 – 34 | 24 | Overmach Parma |
| Brive | 2 – 2 | 61 – 41 | 20 | Viadana |
| London Irish | 2 – 2 | 62 – 54 | 8 | Montauban |