Ipswich missed out on the chance to take over at the Sky Bet Championship summit but did move up to second after they were held to a goalless draw at home to Watford.
After promotion rivals Leicester and Leeds dropped points on Tuesday, victory for Kieran McKenna's men would have been the perfect tonic to Saturday's 1-0 loss at bitter foes Norwich.
However, Tom Cleverley's Watford proved stubborn opponents and Town had to settle for a point, which does lift them above Leeds with four games left in the battle to secure automatic promotion.
Meanwhile, Tommy Conway netted a first-half brace as Bristol City increased Blackburn's relegation fears with a thumping 5-0 Championship win at Ashton Gate.
The striker capitalised on a bad error by Dominic Hyam to race clear and shoot low past Aynsley Pears for his 10th goal of the season in the 24th minute.
Seven minutes later Conway sent Pears the wrong way from the penalty spot.
Substitute Anis Mehmeti capitalised on yet more weak defending to fire in the third in the 73rd minute and another replacement, Nahki Wells, drilled home a 78th-minute penalty after Blackburn substitute Kyle McFadzean had handled.
Wells completed the rout with a stoppage time tap-in.
Elsewhere, Birmingham missed the chance to climb out of the Championship relegation zone as Josh Bowler's 65th-minute goal snatched victory for Cardiff and left the Blues a point from safety.
Gary Rowett's side had the opportunity to win successive home matches and jump above Sheffield Wednesday and Huddersfield in the table, but Bowler's fourth goal of the season instead left them second bottom with just four games to play.
Championship results:
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