Dewsbury and Hunslet were surprise winners as the part-time pair advanced to the fifth round of the Challenge Cup.
Glenn Morrison’s Rams ended Bradford’s 100% record in 2016 by producing a dramatic 31-30 victory, with former Bull Paul Sykes kicking a drop goal seven minutes from time to secure the victory.
As for the Hawks, they put an emphatic end to Doncaster’s impeccable start to the season by thrashing their League One rivals 48-6.