Coventry City are now eleven points adrift of League safety after a 1-1 draw at AFC Wimbledon on Tuesday.
Russell Slade's side who now have an unacceptable 22 points from 31 games remain rock bottom of the table five points behind Chesterfield who drew 1-1 at Gillingham, seven points behind Swindon who lost 2-1 at Northampton, nine points behind Bury who drew 0-0 at home to MK Dons and eleven points behind 20th placed Port Vale who lost 2-0 at sixth place Millwall.
Sheffield United, who drew 0-0 at Bristol Rovers, stay top with Scunthorpe who drew 0-0 at home to Walsall in second place.
Third placed Bolton beat Rochdale 1-0, with Fleetwood still fourth despite beating fifth placed Bradford City 2-1 at Highbury.
Elsewhere, Oldham beat Charlton 1-0 and Peterborough beat Shrewsbury 2-1.