However, should Toulon lose to Michael Bradley's men, the final will be played at Kingsholm, Gloucester, on Sunday, May 23 (2pm local time).
AMLIN CHALLENGE CUP SEMI-FINALS:
Friday, April 30 -
CONNACHT v Toulon, the Sportsground, 7.45pm (live Sky Sports 3)
Saturday, May 1 -
London Wasps v Cardiff Blues, Adams Park, 6pm (live Sky Sports 1)