See main article: 1999–2000 Heineken Cup.
In the 1999–2000 Heineken Cup pool stage matches, teams received
| Team | P | W | D | L | Tries for | Tries against | Try diff | Points for | Points against | Points diff | Pts | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
 Stade Français | 6 | 4 | 0 | 2 | 22 | 9 | 13 | 192 | 109 | 83 | 8 | |
| 6 | 4 | 0 | 2 | 12 | 17 | −5 | 150 | 138 | 12 | 8 | ||
| Glasgow Rugby | 6 | 2 | 0 | 4 | 14 | 23 | −9 | 130 | 179 | −49 | 4 | |
| Leicester Tigers | 6 | 2 | 0 | 4 | 12 | 11 | 1 | 127 | 173 | −46 | 4 |
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| Team | P | W | D | L | Tries for | Tries against | Try diff | Points for | Points against | Points diff | Pts | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Toulouse | 6 | 5 | 0 | 1 | 24 | 5 | 19 | 200 | 73 | 127 | 10 | |
| Bath | 6 | 4 | 0 | 2 | 15 | 8 | 7 | 170 | 80 | 90 | 8 | |
| Swansea | 6 | 3 | 0 | 3 | 14 | 13 | 1 | 126 | 137 | −11 | 6 | |
 Safilo Petraca Rugby Padova | 6 | 0 | 0 | 6 | 11 | 38 | −27 | 76 | 282 | −206 | 0 |
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| Team | P | W | D | L | Tries for | Tries against | Try diff | Points for | Points against | Points diff | Pts | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Llanelli | 6 | 5 | 0 | 1 | 17 | 8 | 9 | 152 | 86 | 66 | 10 | |
| Wasps | 6 | 5 | 0 | 1 | 16 | 9 | 7 | 163 | 99 | 64 | 10 | |
| Bourgoin | 6 | 2 | 0 | 4 | 14 | 14 | 0 | 140 | 162 | −22 | 4 | |
 Ulster | 6 | 0 | 0 | 6 | 4 | 20 | −16 | 71 | 179 | −108 | 0 |
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| Team | P | W | D | L | Tries for | Tries against | Try diff | Points for | Points against | Points diff | Pts | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Munster | 6 | 5 | 0 | 1 | 19 | 14 | 5 | 188 | 132 | 56 | 10 | |
| Saracens | 6 | 3 | 0 | 3 | 24 | 15 | 9 | 206 | 153 | 53 | 6 | |
| Colomiers | 6 | 2 | 0 | 4 | 13 | 20 | −7 | 144 | 194 | −50 | 4 | |
| Pontypridd | 6 | 2 | 0 | 4 | 13 | 20 | −7 | 106 | 165 | −59 | 4 |
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| Team | P | W | D | L | Tries for | Tries against | Try diff | Points for | Points against | Points diff | Pts | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cardiff | 6 | 4 | 1 | 1 | 14 | 13 | 1 | 168 | 141 | 27 | 9 | |
| Montferrand | 6 | 4 | 0 | 2 | 19 | 6 | 13 | 154 | 85 | 69 | 8 | |
| Benetton Treviso | 6 | 2 | 0 | 4 | 6 | 16 | −10 | 100 | 167 | −67 | 4 | |
| Harlequins | 6 | 1 | 1 | 4 | 8 | 12 | −4 | 120 | 149 | −29 | 3 |
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| Team | P | W | D | L | Tries for | Tries against | Try diff | Points for | Points against | Points diff | Pts | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Northampton | 6 | 5 | 0 | 1 | 19 | 7 | 12 | 184 | 87 | 97 | 10 | |
| FC Grenoble | 6 | 3 | 0 | 3 | 13 | 15 | -2 | 110 | 140 | -30 | 6 | |
| Edinburgh Reivers | 6 | 3 | 0 | 3 | 13 | 19 | -6 | 112 | 158 | -46 | 6 | |
| Neath | 6 | 1 | 0 | 5 | 13 | 17 | -4 | 128 | 149 | -21 | 2 |
| Date | Stadium | Team | Score | Team | ||
|---|---|---|---|---|---|---|
| 19 November | Edinburgh | align='center' | 23 - 18 | FC Grenoble | ||
| 27 November | Lesdiguières, Grenoble | FC Grenoble | align='center' | 20 - 18 | Northampton Saints | |
| 11 December | Neath RFC | align='center' | 43 - 14 | FC Grenoble | ||
| 18 December | Lesdiguières, Grenoble | FC Grenoble | align='center' | 21 - 10 | Neath RFC | |
| 9 January | Northampton Saints | align='center' | 27 - 16 | FC Grenoble | ||
| 15 January | Lesdiguières, Grenoble | FC Grenoble | align='center' | 21 - 19 | Edinburgh |
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| Seed | Pool Winners | Pts | TF | +/− | |
|---|---|---|---|---|---|
| 1 | Toulouse | 10 | 24 | +127 | |
| 2 | Northampton Saints | 10 | 19 | +97 | |
| 3 | 10 | 19 | +56 | ||
| 4 | Llanelli | 10 | 17 | +66 | |
| 5 | Cardiff | 9 | 14 | +27 | |
| 6 | Stade Français | 8 | 22 | +83 | |
| Seed | Pool Runners-up | Pts | TF | +/− | |
| 7 | London Wasps | 10 | 16 | +64 | |
| 8 | Montferrand | 8 | 19 | +69 | |
| – | Bath | 8 | 15 | +90 | |
| – | Leinster | 8 | 12 | +12 | |
| – | Saracens | 6 | 24 | +53 | |
| – | Edinburgh Reivers | 6 | 13 | −30 |