The visitors to Belle Vue took the lead on 50 minutes through Martin Devaney but Doncaster rescued a point courtesy of Chris Brown's 90th minute effort.
Hull closed the gap at the head of affairs to four points as Ben Burgess' brace earned a narrow victory over Scunthorpe.
Burgess struck twice in the opening half hour at The KC Stadium before Steven MacLean set up a fraught finale by pulling a goal back on 73 minutes.
Huddersfield Town moved into third place at Oxford's expense after crushing relegation threatened Macclesfield Town 4-0 at The McAlpine Stadium.
Andy Booth's goal separated the sides at the break before Pawel Abbott doubled the advantage just after the interval.
Efe Sodje made it 3-0 before the visitors had Chris Priest sent off for two yellow cards and John McAliskey completed Macclesfield's misery with the fourth goal in the final minute.
Carlisle continue to keep their hopes of avoiding relegation alive after an impressive 2-0 win at home to promotion-chasing Oxford.
Tom Cowan and Craig Farrell both scored in the second half to leave them seven points adrift of safety.
Mansfield Town's hopes of promotion continue to stutter after they crashed to a 4-1 defeat at Lincoln City, despite taking the lead at Sincil Bank.
Liam Lawrence's penalty had the visitors ahead at half time but a brace from Gary Fletcher and goals from Francis Green and Simon Yeo swung the match in Lincoln's favour.
Yeovil Town ensured local rivals Bristol Rovers continue to suffer a miserable season after romping to a 4-0 triumph at Huish Park.
Adam Lockwood put Yeovil in front on 16 minutes before Rovers' Graham Hyde was sent off for two bookable offences after just 20 minutes.
Abdelhalim El Kholti extended the lead before the interval as Gavin Williams and Colin Pluck both scored in the second half.
Northampton Town continue to press for a play-off berth after a late 2-0 win at home to Boston United, with Steve Morison and Ian Sampson's goals coming inside the final 20 minutes.
Swansea had goalkeeper Brian Murphy dismissed for deliberate handball in their 1-1 draw at Southend United. Kevin Nugent had put The Swans ahead, only for Lawrie Dudfield to cancel out his goal.
Cambridge United withstood a late fightback from Darlington to edge a seven-goal thriller at The Reynolds Arena.
Mark Convery put the hosts ahead on 26 minutes but Jermaine Easter and Daniel Webb had Cambridge in front before the break.
Easter's second goal and a Luke Guttridge effort strengthened Cambridge's grip on the game before Clark Keltie and Matthew Clarke both netted in the 86th minute for Darlington.
Kidderminster Harriers drew 1-1 at Leyton Orient with both teams having a man sent off after Gary Alexander put the home team ahead.
Orient's David Hunt and Kidderminster's Dean Keates were dismissed before Mark Yates' penalty earned a point for Jan Molby's side.
Elsewhere, Rochdale against Bury and York City's tussle against play-off aspirants Torquay United ended scoreless.
