The 2003-4 Heineken Cup (the rugby club championship of Europe) is the ninth of the series. Competing teams, from England, France, Ireland, Italy, Scotland and Wales, were divided into six pools of four, in which teams played home and away matches against each other. The winners of the pools, together with the two best runners-up, qualified for the knock-out stage.

In the pool matches teams received

• 4 points for a win
• 2 points for a draw
• a bonus point for scoring 4 or more tries
• a bonus point for losing by 7 or fewer points

Pool 1

	Won	Drawn	Lost	Bonus	Points
Stade Français	4	0	2	2	18
Leicester Tigers	3	0	3	3	15
Ulster Rugby	3	0	3	2	14
Gwent Dragons	2	0	4	1	9

Pool 2

	Won	Drawn	Lost	Bonus	Points
Toulouse	5	0	1	5	25
Edinburgh Rugby	5	0	1	2	22
Leeds Tykes	1	0	5	1	5
Neath-Swansea Ospreys	1	0	5	0	4

Pool 3

	Won	Drawn	Lost	Bonus	Points
Biarritz Olympique	4	0	2	3	19
Leinster Lions	3	0	2	3	15
Cardiff Blues	2	0	4	3	11
Sale Sharks	2	0	4	1	9

Pool 4

	Won	Drawn	Lost	Bonus	Points
Llanelli Scarlets	5	0	1	3	23
Northampton Saints	4	0	2	2	18
Agen	2	0	4	3	11
The Borders	1	0	5	0	4

Pool 5

	Won	Drawn	Lost	Bonus	Points
Munster Rugby	5	0	1	4	24
Gloucester	5	0	1	4	24
Bourgoin	1	0	5	3	7
Benetton Treviso	1	0	5	1	5

Pool 6

	Won	Drawn	Lost	Bonus	Points
London Wasps	5	0	1	4	24
Celtic Warriors	4	0	2	4	20
Perpignan	3	0	3	3	15
Calvisano	0	0	6	3	3

Quarterfinals

Played on 10/11 April 2004. Home teams listed first.

• Toulouse 36-10 Edinburgh
• London Wasps 34-3 Gloucester
• Munster 37-32 Stade Français
• Llanelli Scarlets 10-27 Biarritz Olympique

Semifinals

Played on 24/25 April. Designated home teams listed first.

• Toulouse 19-11 Biarritz Olympique (at Bordeaux)
• Munster 32-37 London Wasps (at Dublin)

Final

Highest surviving seed listed first.

• Toulouse 20-27 London Wasps, 23 May at Twickenham