Peter Clarke's 82nd-minute equaliser extended Charlton's winless run to seven games as they drew 1-1 with Oldham.
Leaders Scunthorpe cruised to a 4-1 win at lowly Walsall, while Bury kept pace and Sheffield United's run continued.
Scroll down to see goals and highlights from all of Tuesday night's games in Sky Bet League One.
Team news for Tuesday night's Sky Bet League One clash between Charlton and Oldham.
Scunthorpe remain top of Sky Bet League One after a 2-2 draw against 10-man Sheffield United, while Bury are up to second place.
See all the goals and highlights from all of Saturday's Sky Bet League One games right here.
Swindon ended a run of three straight league defeats with a well-deserved 2-0 Sky Bet League One victory at Oldham.
Team news for Saturday's Sky Bet League One clash between Oldham Athletic and Swindon Town.
Coventry are still looking for their first win in League One after being held to another goalless draw by Oldham.
A possible reform of the English Football League structure will not involve the introduction of Premier League B teams.
Overnight leaders Bolton slipped up at 10-man Walsall, while David Mirfin's header hoisted Scunthorpe to the top of League One.
Coventry could be handed a triple boost ahead of the visit of Oldham on Saturday.
League One leaders Bolton were held to a 1-1 draw by MK Dons to leave them four games without a win in all competitions.
See all the goals from Saturday's Sky Bet League One games...
Chesterfield halted a run of three straight Sky Bet League One defeats with a 0-0 draw at Oldham.
Team news for Saturday's Sky Bet League One clash between Oldham and Chesterfield.
Shrewsbury cast aside their early-season troubles by grabbing a 3-2 victory at Oldham, who ended the game with 10 men.
Phil Brown's Southend United battled hard for a point at table toppers Bolton in Sky Bet League One on Saturday.
Watch all the goals and highlights from Saturday's games in Sky Bet League One.