Wrexham's promotion push falters with defeat to league champions Coventry
Phil Parkinson's team went behind after Brandon Thomas-Asante slotted in from near the goal in the 19th minute at the CBS Arena.
Oliver Rathbone restored parity with a poised effort just six minutes afterwards.
Yet Victor Torp curled in a free kick during the 80th minute and Ephron Mason-Clark blasted one in during added time to confirm Coventry's 27th success in 45 Championship outings this campaign.
Wrexham sit in sixth position, gripping the final playoff slot.
They share points with seventh placed Hull, beaten at Charlton on Saturday, and possess a superior goal difference of +4 against the Tigers' +3.
Derby, eighth following their victory over QPR on Saturday, remain in contention for playoffs, one point adrift of Wrexham and Hull.
Wrexham entertain Middlesbrough in their concluding regular season fixture on 2 May, Hull welcome Norwich at home, and Derby host Sheffield United at Pride Park.
Millwall, Middlesbrough, and Southampton have locked in their playoff berths.
Coventry clinched promotion the previous week and secured the Championship crown via a comprehensive defeat of Portsmouth on Tuesday.
Frank Lampard's outfit heads back to the Premier League for the upcoming season following a 25 year exile.
Ipswich claim the second direct promotion position ahead of Millwall via better goal difference.
Kieran McKenna's group will rejoin the Premier League one year post relegation should they collect four points from final encounters with Southampton and QPR.