Albion Rovers moved seven points clear at the top of League 2 with a 1-0 win over second-placed Queen's Park on Saturday.
Gary Fisher got the only goal 10 minutes before half-time as Darren Young's team took a big step towards the title at Hampden.
East Fife stay fourth after beating Arbroath 2-0 at Bayview with goals from Derek Riordan and Caolan McAleer at the end of each half.
Annan boosted their play-off hopes with a 3-2 home victory over East Stirlingshire, helped by a Peter Weatherson double. Steven Swinglehurst was also on target for Jim Chapman's team, with David McKenna and Chris Townsley scoring for Shire.
Elgin City beat Clyde 2-0 at Broadwood thanks to goals from Brian Cameron and Jamie Reid as the Bully Wee dropped to ninth.
Montrose are eight points adrift at the foot of the table following a 2-0 home defeat to Berwick Rangers. Lee Currie and Blair Henderson scored in the space of 60 seconds in the second half after the hosts had Terry Masson sent off.