The holders Wigan, with their international duo of Andy Farrell and Gary Connolly in good form, overcame First Division Huddersfield 32-0 yesterday to earn a place in today's Regal Trophy quarter-final draw.
The loose forward Farrell, who put off a groin operation to play, scored 16 points and Connolly ran two tries.
The Western Samoan Apollo Perelini spared St Helens' blushes with a late try after First Division Hull threatened to cause a major upset, his second touchdown clinching a 38-26 victory.
The centre Andy Currier scored two tries as Warrington staved off a brave fightback to win 35-22 at Batley. Meanwhile the full-back Stuart Spruce scored two tries as Widnes produced a slick performance to win 32-8 at Workington. Rochdale came from behind to win 26-14 at Dewsbury.
Also through are Second Division Carlisle and the First Division teams Rochdale and Widnes.
In the only First Division match, Featherstone's stand-off Martin Pearson scored 40 points with four tries and 10 goals as his team beat Whitehaven 60-10.Reuse content