With Barnley and Premier League booking their places yesterday, Cardiff City, who could be on the brink of administration, won 2-0 at Middlesbrough in the early game.
West Brom who beat the Sky Blues 5-0 in the Fifth Round, travelled to face a Bristol Rovers side which included former Sky Blue David Pipe and are managed by Paul Trollope, who was on loan during City's days at Highfield Road.
Another former Coventry City player - Dean Kiely was in goal for the Baggies who left the Memorial Stadium with a 5-1 victory. Ishmael Miller hit a hat-track.