European Challenge Cup Pool 4Stade Francais: (7) 7Try: Meite Con: PlissonLondon Irish: (24) 44Tries: Gilsenan, Ojo 2, Meehan, Chawatama, Ransom, Steele Cons: Brophy-Clews 2, Atkins Pens: Brophy-Clews
London Irish stunned Challenge Cup holders Stade Francais with an emphatic victory at the Stade Jean-Bouin.
The visitors scored seven tries as they eased to a first European win this term and inflicted a second loss on Stade.
Topsy Ojo marked his club-record 281st appearance with two first-half tries, while Bakary Meite crossed for Stade.
Conor Gilsenan, Ben Meehan, Lovejoy Chawatama, Ben Ransom and Scott Steele also went over on a memorable night for the Premiership side in Pool Four.
Ojo moved past Ireland back Justin Bishop, who played 280 games for the club, as London Irish nudged up to second in the pool behind leaders Edinburgh.
Stade Francais: Geraghty; Nayacalevu, Williams, Danty, Yobo; Plisson, McLeod; El Ansari, Bonfils (capt), Alo-Emile, Gabrillagues, Flanquart, Burban, Pyle, Meite.
Replacements: Gau, Zhavania, Cittadini, de Giovanni, Francoz, Coville, Steyn, Ensor.
London Irish: Ransom; Cokanasiga, Fowlie, Williams, Ojo (capt); Brophy Clews, Meehan; Elrington, Woolstencroft, Hoskins, Lloyd, Paulo, Northcote-Green, Gilsenan, Lomidze.
Replacements: Gleave, Smallbone, Chawatama, McNally, Curtis-Harris, Steele, Atkins, Mulchrone.
Referee: Vlad Iordachescu (Rom)