Sheffield Wednesday lost ground in the race for automatic promotion after they were held to a draw at Colchester.
Wednesday are now four points behind Sheffield United in second place with three to play after Miguel Angel Llera's second-half equaliser.
Colchester took an early lead when Ian Henderson poked a low shot past keeper Stephen Bywater from close range.
But Llera levelled from close range while Steven Gillespie almost won it for Colchester.
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Colchester manager John Ward told BBC Essex:
"If we don't match them we get beaten. We said last week, if we play like we did at Bury, we get beaten quite convincingly.
"And we haven't. We've responded yet again. I can't praise my players enough, I get annoyed when they slip below the quality line but today they've bounced back.
"We took a little bit of a chance with Henderson and Gillespie at the top of the pitch, but their movement and their annoyance of the big fellas was something I wanted from them."
"There's a real good approach from my team today and a response from last week, so I've got to be pleased."
Sheffield Wednesday manager Dave Jones told BBC Radio Sheffield:
"It's a difficult place to come and it's a sloppy goal to give away. I just thought a little bit of quality in good areas of the park let us down today.
"If you start sloppy then sometimes you'll pay for it and that's what happened today.
"That little bit of quality in areas in front of goal just seemed to be missing today."