Bourgoin 21-28 Ospreys: Shane Williams battles past a French defender as Ospreys secure their first ever quarter-final place

Bristol 0-17 Cardiff Blues: A bruising defence puts the Blues through to the last eight for the first time in seven years

Harlequins 10-31 Stade Francais: Despite scoring four tries, Stade's bonus-point win is not enough to progress

Gloucester 29-21 Ulster: In his first action since December, Lesley Vainikolo bludgeons through the Ulster defence

Ulster make life difficult for the hosts but Luke Narraway's try seals the win that gives Gloucester a home quarter-final

Munster 19-3 Wasps: Atrocious conditions greet the teams in an eagerly awaited winner-takes-all clash at Thomond Park

Munster lock Donncha O'Callaghan (left) is a constant thorn in the Wasps line-out, claiming the man-of-the-match award

And in Ronan O'Gara, Munster had the man to make Wasps pay, the fly-half landing four penalties and a conversion

Scarlets 0-41 Clermont: Llanelli wing Mark Jones tries a break-out but Clermont cruise to victory with six tries

Dragons 0-25 Perpignan: At Rodney Parade, Perpignan, with lock Nathan Hines to the fore, are too strong for Dragons

Leicester 25-9 Leinster: Visiting captain Brian O'Driscoll tries to break through the home defence at Welford Road

Tempers flare as Julian White is sin-binned for punching and Andy Goode joins him for this high tackle on Brian O'Driscoll

Leicester lock Marco Wentzel rises highest to win a line-out as the Tigers come out on top 25-9 at Welford Road

Toulouse 34-10 Edinburgh: With the hosts needing a win, Edinburgh know they face a testing afternoon in south-west France

Sure enough, the three-time champions run in five tries, wing Yves Donguy receiving the congratulations for his effort

Saracens start the weekend by beating Glasgow on Friday, Glen Jackson scoring 16 points to put his side in the last eight