Jim Duffy's Greenock Morton started life in Scottish League One with a disappointing 1-0 defeat to Ayr United, while title favourites Dunfermline Athletic could only manage a goalless draw with Brechin City.
Jordan Allan's red card with ten minutes to go proved decisive as Ayr punished 10-man Morton with a late winner courtesy of Ryan Donnelly.
Meanwhile, Peterhead had talismanic striker Rory McAllister to thank for their point after he struck with just five minutes remaining to rescue a draw with Stirling Albion.
Martin Grehan's 88th-minute winner gave his side victory over Airdrieonians, while Stranraer drew with Forfar Athletic.
Results in full: Ayr United 1-0 Greenock Morton, Dunfermline 0-0 Brechin City, Peterhead 1-1 Stirling Albion, Stenhousemuir 1-0 Airdrieonians, Stranraer 1-1 Forfar Athletic
