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European Challenge Cup 2027
Official site5,000 Monte Carlo simulations
The share of simulations in which the team reached each stage. 3rd is winning the bronze final, which is a branch off the semi-finals rather than a step towards the trophy. Learn more
| 90.8% | 59.7% | 37.1% | 21.0% | 10.7% | |
| 84.6% | 56.7% | 34.8% | 20.2% | 10.6% | |
| 83.3% | 51.2% | 30.0% | 16.5% | 9.0% | |
| 78.4% | 42.5% | 21.2% | 10.6% | 4.8% | |
| 76.7% | 40.0% | 19.4% | 8.3% | 3.7% | |
| 77.1% | 40.4% | 19.1% | 8.5% | 3.3% | |
| Vannes | 71.8% | 35.0% | 16.8% | 7.6% | 3.0% |
| 72.0% | 35.0% | 15.5% | 6.8% | 2.8% | |
| 66.0% | 29.3% | 12.7% | 5.9% | 2.4% | |
| 68.8% | 32.1% | 13.9% | 5.6% | 2.0% | |
| Bayonne | 72.1% | 30.4% | 12.4% | 5.2% | 1.9% |
| 63.7% | 24.8% | 8.7% | 3.4% | 1.1% | |
| Perpignan | 67.5% | 24.8% | 8.6% | 2.7% | 1.0% |
| 56.3% | 21.5% | 7.5% | 2.6% | 0.8% | |
| 54.9% | 18.2% | 5.6% | 1.7% | 0.5% | |
| 51.1% | 16.1% | 5.5% | 1.3% | 0.3% | |
| 42.5% | 12.0% | 3.4% | 0.9% | 0.2% | |
| Black Lion | 22.4% | 4.1% | 0.8% | 0.1% | <0.1% |
Each tie lists the teams that reached it. The first figure is how often the team reaches the tie; the second, shaded darker, how often it reaches the tie and wins. Nobody is fixed into a tie — who plays whom is itself a simulated outcome. Select a tie for the full list, or switch to Likely path for the bracket drawn as a tree.
Round of 16
Ulster20% · 15%
Harlequins16% · 12%
Sharks15% · 9%
Edinburgh13% · 8%
Ospreys13% · 7%
13 more
Castres Olympique12% · 7%- Vannes11% · 5%
Benetton Treviso11% · 5%
Lyon11% · 6%
Toulon10% · 4%- Perpignan10% · 4%
Scarlets10% · 3%
Dragons9% · 3%- Bayonne9% · 4%
Cheetahs9% · 3%
Zebre9% · 3%
Newcastle Falcons7% · 2%- Black Lion6% · <1%
Ulster18% · 12%
Harlequins15% · 11%
Sharks14% · 9%
Edinburgh13% · 8%
Ospreys12% · 7%
13 more
Castres Olympique12% · 7%
Benetton Treviso12% · 6%
Lyon12% · 6%
Toulon12% · 5%- Vannes11% · 6%
- Bayonne11% · 5%
- Perpignan11% · 4%
Dragons10% · 4%
Scarlets9% · 3%
Cheetahs9% · 3%
Zebre9% · 3%
Newcastle Falcons8% · 2%- Black Lion4% · <1%
Ulster17% · 12%
Sharks15% · 9%
Castres Olympique14% · 8%
Harlequins14% · 9%
Ospreys12% · 7%
13 more
Lyon12% · 6%
Edinburgh12% · 7%
Benetton Treviso12% · 6%- Bayonne12% · 5%
- Vannes12% · 5%
Dragons11% · 4%- Perpignan11% · 5%
Toulon11% · 4%
Scarlets9% · 4%
Cheetahs9% · 3%
Zebre8% · 3%
Newcastle Falcons7% · 2%- Black Lion3% · <1%
Edinburgh9% · 4%
Harlequins9% · 5%
Ospreys8% · 4%
Ulster8% · 4%
Sharks7% · 4%
37 more
Castres Olympique7% · 4%
Cardiff Blues7% · 3%
Lyon7% · 3%- Bayonne7% · 3%
Gloucester Rugby6% · 2%- Vannes6% · 3%
Sale Sharks6% · 3%
Pau6% · 3%
Lions6% · 3%
Benetton Treviso5% · 2%- Bristol Rugby5% · 3%
- Perpignan5% · 2%
La Rochelle5% · 3%
Clermont Auvergne5% · 3%
Toulon5% · 2%
Dragons5% · 2%
Bulls5% · 3%
Connacht5% · 2%
Bath Rugby4% · 3%
Saracens4% · 3%
Leicester Tigers4% · 2%
Stade Francais Paris4% · 2%
Munster4% · 2%
Cheetahs4% · 1%
Exeter Chiefs4% · 2%
Stormers4% · 2%
Scarlets3% · 1%
Montpellier Herault3% · 2%
Racing 923% · 2%
Glasgow Warriors3% · 2%
Northampton Saints3% · 2%
Zebre3% · <1%
Stade Toulousain3% · 2%
Newcastle Falcons2% · <1%
Leinster2% · 1%
Bordeaux Begles1% · <1%- Black Lion<1% · <1%
Ospreys8% · 4%
Edinburgh8% · 4%
Ulster7% · 4%
Sharks7% · 4%
Castres Olympique7% · 3%
37 more
Harlequins7% · 4%- Vannes6% · 3%
- Bayonne6% · 3%
Gloucester Rugby6% · 3%
Cardiff Blues6% · 3%
Dragons6% · 2%
Benetton Treviso6% · 2%
Lyon6% · 3%- Bristol Rugby5% · 3%
Clermont Auvergne5% · 3%- Perpignan5% · 2%
Pau5% · 3%
Sale Sharks5% · 2%
Cheetahs5% · 2%
La Rochelle5% · 3%
Lions5% · 3%
Toulon5% · 2%
Bulls5% · 3%
Connacht5% · 2%
Stade Francais Paris4% · 3%
Stormers4% · 3%
Munster4% · 2%
Saracens4% · 2%
Bath Rugby4% · 3%
Scarlets4% · 2%
Leicester Tigers4% · 3%
Racing 924% · 2%
Montpellier Herault4% · 2%
Zebre4% · 1%
Exeter Chiefs3% · 2%
Glasgow Warriors3% · 2%
Newcastle Falcons3% · <1%
Stade Toulousain3% · 2%
Northampton Saints3% · 2%
Leinster2% · 1%
Bordeaux Begles2% · 1%- Black Lion1% · <1%
Castres Olympique7% · 4%- Bayonne7% · 3%
Sharks7% · 4%
Lyon7% · 3%
Ulster7% · 3%
37 more
Benetton Treviso6% · 3%
Dragons6% · 3%
Harlequins6% · 4%- Perpignan6% · 2%
Scarlets6% · 2%
Pau6% · 3%
Gloucester Rugby6% · 3%
Cardiff Blues5% · 2%
Lions5% · 3%
Edinburgh5% · 3%
Sale Sharks5% · 3%- Bristol Rugby5% · 3%
La Rochelle5% · 3%
Ospreys5% · 2%
Zebre5% · 1%- Vannes5% · 2%
Connacht5% · 3%
Cheetahs5% · 1%
Toulon5% · 2%
Bulls5% · 3%
Stade Francais Paris5% · 3%
Leicester Tigers5% · 3%
Exeter Chiefs5% · 3%
Clermont Auvergne5% · 3%
Bath Rugby4% · 3%
Saracens4% · 3%
Munster4% · 2%
Stormers4% · 2%
Newcastle Falcons4% · <1%
Racing 923% · 2%
Stade Toulousain3% · 2%
Northampton Saints3% · 2%
Glasgow Warriors3% · 2%
Montpellier Herault3% · 2%
Leinster2% · 2%
Bordeaux Begles2% · 2%- Black Lion2% · <1%
Edinburgh8% · 4%
Harlequins7% · 5%
Castres Olympique7% · 3%- Bayonne7% · 3%
Toulon7% · 3%
37 more
Sharks7% · 4%
Ospreys6% · 3%- Vannes6% · 3%
- Perpignan6% · 2%
Lyon6% · 3%
Gloucester Rugby6% · 3%
Benetton Treviso6% · 2%
Ulster5% · 3%
Pau5% · 3%
Cardiff Blues5% · 3%
Clermont Auvergne5% · 3%
Lions5% · 3%
Bulls5% · 3%
Scarlets5% · 2%
Connacht5% · 3%- Bristol Rugby5% · 3%
Dragons5% · 2%
Sale Sharks5% · 2%
Exeter Chiefs5% · 2%
Stade Francais Paris4% · 3%
La Rochelle4% · 3%
Munster4% · 2%
Zebre4% · 1%
Bath Rugby4% · 3%
Saracens4% · 3%
Stormers4% · 2%
Cheetahs4% · 1%
Leicester Tigers4% · 2%
Glasgow Warriors4% · 2%
Stade Toulousain4% · 2%
Newcastle Falcons4% · <1%
Montpellier Herault3% · 2%
Racing 923% · 2%
Northampton Saints3% · 2%
Leinster2% · 2%
Bordeaux Begles2% · 2%- Black Lion2% · <1%
- Bayonne14% · 6%
- Vannes14% · 8%
- Perpignan13% · 5%
Toulon13% · 7%
Lyon12% · 7%
13 more
Sharks12% · 8%
Dragons12% · 5%
Castres Olympique12% · 6%
Cheetahs11% · 4%
Harlequins11% · 8%
Benetton Treviso11% · 6%
Edinburgh11% · 7%
Ospreys11% · 6%
Scarlets11% · 5%
Zebre10% · 3%
Ulster9% · 6%
Newcastle Falcons9% · 3%- Black Lion4% · 1%
Quarter-finals
Ulster21% · 14%
Harlequins20% · 13%
Sharks17% · 11%
Edinburgh14% · 8%
Ospreys14% · 7%
13 more
Castres Olympique13% · 6%- Vannes13% · 6%
Lyon12% · 6%
Toulon11% · 5%
Benetton Treviso11% · 5%- Bayonne10% · 4%
Dragons9% · 3%- Perpignan9% · 3%
Scarlets8% · 3%
Cheetahs7% · 2%
Zebre6% · 2%
Newcastle Falcons5% · 2%- Black Lion2% · <1%
Ulster15% · 9%
Harlequins15% · 9%
Sharks13% · 8%
Edinburgh11% · 6%
Castres Olympique10% · 5%
37 more
Ospreys10% · 5%
Lyon9% · 4%- Vannes9% · 4%
Benetton Treviso8% · 3%
Toulon8% · 4%- Bayonne8% · 3%
- Perpignan6% · 2%
Dragons6% · 2%
Scarlets5% · 2%
Cheetahs4% · 1%
Zebre4% · 1%
Bulls3% · 2%
Clermont Auvergne3% · 2%
Connacht3% · 2%
Newcastle Falcons3% · <1%
Pau3% · 2%
Stade Francais Paris3% · 2%
Bath Rugby3% · 2%
Saracens3% · 2%
La Rochelle3% · 1%- Bristol Rugby3% · 1%
Lions3% · 1%
Cardiff Blues3% · 1%
Gloucester Rugby3% · 1%
Exeter Chiefs2% · 1%
Munster2% · 1%
Stade Toulousain2% · 1%
Leicester Tigers2% · 1%
Stormers2% · 1%
Sale Sharks2% · <1%
Northampton Saints2% · 2%
Glasgow Warriors2% · 1%
Montpellier Herault2% · 1%
Leinster2% · 1%
Racing 922% · <1%
Bordeaux Begles2% · 1%- Black Lion<1% · <1%
Ulster15% · 9%
Sharks13% · 8%
Harlequins13% · 8%
Castres Olympique11% · 6%
Edinburgh10% · 5%
37 more
Ospreys9% · 4%
Lyon9% · 4%
Benetton Treviso8% · 4%- Bayonne8% · 4%
- Vannes7% · 4%
- Perpignan7% · 2%
Dragons6% · 2%
Toulon6% · 3%
Scarlets6% · 2%
Cheetahs5% · 1%
Zebre4% · 1%
Newcastle Falcons3% · <1%
La Rochelle3% · 2%
Bulls3% · 2%
Exeter Chiefs3% · 2%
Stade Francais Paris3% · 2%
Connacht3% · 1%
Lions3% · 1%
Pau3% · 2%
Saracens3% · 2%
Gloucester Rugby3% · 1%
Leicester Tigers3% · 2%
Clermont Auvergne3% · 2%
Bath Rugby3% · 2%
Sale Sharks3% · 1%- Bristol Rugby3% · 1%
Cardiff Blues2% · 1%
Stade Toulousain2% · 1%
Munster2% · 1%
Stormers2% · 1%
Northampton Saints2% · 2%
Montpellier Herault2% · 1%
Racing 922% · 1%
Glasgow Warriors2% · 1%
Leinster2% · 1%
Bordeaux Begles2% · 1%- Black Lion1% · <1%
Harlequins9% · 5%
Ulster8% · 4%
Ospreys8% · 3%
Sharks8% · 4%
Edinburgh8% · 3%
36 more
Castres Olympique7% · 3%- Vannes6% · 3%
La Rochelle6% · 3%
Clermont Auvergne6% · 3%
Bulls6% · 4%
Cardiff Blues6% · 2%
Lions6% · 3%
Pau5% · 3%
Lyon5% · 2%- Bayonne5% · 2%
Leicester Tigers5% · 3%- Bristol Rugby5% · 2%
Bath Rugby5% · 3%
Sale Sharks5% · 2%
Saracens5% · 3%
Gloucester Rugby5% · 2%
Connacht5% · 3%
Stade Francais Paris5% · 3%
Munster5% · 3%
Stormers5% · 3%
Benetton Treviso5% · 2%
Dragons4% · 1%
Toulon4% · 2%
Exeter Chiefs4% · 3%
Montpellier Herault4% · 3%
Glasgow Warriors4% · 2%
Northampton Saints4% · 3%
Racing 924% · 2%- Perpignan4% · 1%
Stade Toulousain3% · 2%
Cheetahs3% · <1%
Scarlets3% · <1%
Leinster2% · 2%
Bordeaux Begles2% · 1%
Zebre2% · <1%
Newcastle Falcons1% · <1%
Semi-finals
Ulster18% · 11%
Harlequins18% · 11%
Sharks15% · 8%
Edinburgh11% · 6%
Ospreys10% · 4%
36 more
- Vannes9% · 4%
Castres Olympique9% · 4%
Lyon8% · 4%
Benetton Treviso7% · 3%
Toulon7% · 3%- Bayonne6% · 3%
- Perpignan4% · 2%
Dragons4% · 2%
Scarlets4% · 1%
Bulls4% · 2%
Leicester Tigers3% · 2%
Clermont Auvergne3% · 2%
Bath Rugby3% · 2%
Cheetahs3% · <1%
La Rochelle3% · 2%
Lions3% · 2%
Saracens3% · 2%
Connacht3% · 2%
Stade Francais Paris3% · 1%
Pau3% · 1%
Zebre3% · <1%
Northampton Saints3% · 2%
Montpellier Herault3% · 2%
Stormers3% · 1%
Munster3% · 1%
Exeter Chiefs3% · 1%
Cardiff Blues2% · 1%- Bristol Rugby2% · <1%
Stade Toulousain2% · 1%
Gloucester Rugby2% · <1%
Glasgow Warriors2% · 1%
Racing 922% · <1%
Sale Sharks2% · <1%
Newcastle Falcons2% · <1%
Leinster2% · 1%
Bordeaux Begles1% · <1%
Ulster19% · 10%
Harlequins17% · 10%
Sharks16% · 8%
Edinburgh10% · 5%
Castres Olympique10% · 4%
36 more
Ospreys9% · 4%- Vannes8% · 3%
Lyon8% · 3%
Benetton Treviso7% · 3%- Bayonne7% · 3%
Toulon6% · 3%
Dragons4% · 2%- Perpignan4% · 1%
Bulls4% · 2%
Scarlets4% · 1%
Stade Francais Paris4% · 2%
Leicester Tigers3% · 2%
Saracens3% · 2%
Clermont Auvergne3% · 2%
La Rochelle3% · 2%
Connacht3% · 2%
Bath Rugby3% · 2%
Northampton Saints3% · 2%
Pau3% · 2%
Stade Toulousain3% · 2%
Zebre3% · <1%
Exeter Chiefs3% · 2%
Montpellier Herault3% · 2%
Leinster3% · 2%
Cheetahs2% · <1%
Munster2% · 1%
Lions2% · 2%
Glasgow Warriors2% · 1%- Bristol Rugby2% · 1%
Gloucester Rugby2% · 1%
Cardiff Blues2% · 1%
Bordeaux Begles2% · 1%
Stormers2% · 1%
Racing 922% · 1%
Sale Sharks2% · <1%
Newcastle Falcons2% · <1%
Final
Ulster21% · 11%
Harlequins20% · 11%
Sharks17% · 9%
Edinburgh11% · 5%
Castres Olympique9% · 3%
36 more
Ospreys8% · 4%- Vannes8% · 3%
Lyon7% · 3%
Toulon6% · 2%
Benetton Treviso6% · 2%- Bayonne5% · 2%
Bulls4% · 3%
Leicester Tigers4% · 3%
Saracens4% · 3%
Northampton Saints4% · 3%
Montpellier Herault4% · 3%
Bath Rugby4% · 2%
Clermont Auvergne4% · 2%
Connacht4% · 2%
Stade Francais Paris4% · 2%
La Rochelle4% · 2%
Dragons3% · 1%
Stade Toulousain3% · 2%
Lions3% · 2%
Pau3% · 1%
Exeter Chiefs3% · 2%
Leinster3% · 2%- Perpignan3% · 1%
Stormers3% · 2%
Scarlets3% · <1%
Glasgow Warriors3% · 2%
Munster2% · 1%- Bristol Rugby2% · 1%
Bordeaux Begles2% · 2%
Cardiff Blues2% · <1%
Gloucester Rugby2% · <1%
Racing 922% · <1%
Cheetahs2% · <1%
Sale Sharks2% · <1%
Zebre1% · <1%
Newcastle Falcons<1% · <1%
All 36 pool fixtures — average scores and win probabilities, on the Matches tab.