Tom Naylor headed Burton level seven minutes before the break after Michael Jacobs had given Wigan an eighth-minute lead, but the point extends the Brewers' winless run to six matches.
Nigel Clough's side remain in the second automatic promotion spot, three points clear of third-placed Walsall, who were also held to a 1-1 home draw, against Swindon.
Kieron Morris (71) equalised for Walsall after Michael Doughty had struck the opener for Swindon in the 59th minute.
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Millwall remain fourth, a further three points behind, after Steve Morison (52) notched his 17th goal of the season to secure them a 1-0 home win against Fleetwood, who remain two points clear of the relegation zone.
Bradford slipped to fifth as their promotion push lost momentum following a 1-0 defeat at Coventry, for whom Andy Rose powered home a 59th-minute winner before visiting striker Steven Davies was shown a straight red card for violent conduct eight minutes from time.
Barnsley increased the pressure on the top six but left it late to beat 10-man Peterborough 1-0 at Oakwell thanks to George Williams' last-minute header.
Peterborough's Chris Forrester was sent off two minutes before half-time for two yellow cards, while victory lifts Barnsley level on points with sixth-placed Gillingham, whose winless run was extended to five matches as they drew 1-1 at Rochdale. Callum Camps struck in first-half stoppage time to give Rochdale the lead but the Gills rescued a point through John Egan's 77th-minute header.
Sheffield United kept their play-off hopes alive with a 2-1 win at relegation battlers Shrewsbury.
Shrews striker Kyle Vassell's ninth-minute penalty after Jay McEveley had handled was saved by George Long before Billy Sharp (19) struck his 20th goal of the season to edge the Blades ahead.
The Shrews hit back through Abu Ogogo (54) but Che Adams (66) grabbed the visitors' winner.
Scunthorpe secured a third straight success under recently-appointed manager Graham Alexander with a 2-1 home win against Bury. Luke Williams (19) fired Scunthorpe ahead and Kyle Wootton (53) doubled their advantage before Bury responded through Tom Pope's 61st-minute header. Shakers midfielder Kelvin Etuhu was dismissed in the closing stages for his second yellow card.
Oldham gave their survival hopes a huge lift as Curtis Main's 66th-minute strike proved enough to sink Southend at Roots Hall and lift them six points clear of the bottom four.
Second-bottom Colchester were pegged back by already-relegated Crewe to draw 1-1 at Gresty Road, but the point was enough to keep their survival hopes alive.
George Moncur's 65th-minute penalty edged Colchester in front before Crewe's Callum Saunders headed a stoppage-time equaliser.
Doncaster, who secured their first win since January 2 on Saturday at Wigan, are five points adrift of safety after a 1-1 draw at Chesterfield, for whom American winger Gboly Ariyibi (18) cancelled out Tommy Rowe's sixth-minute header.
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