Dundee were held to a 0-0 draw by SPFL newcomers Cove Rangers at the Balmoral Stadium but picked up the bonus point for winning the shoot-out.
Kevin Nisbet scored the first hat-trick of the season as Dunfermline Athletic thrashed Albion Rovers 6-0 at East End Park while Arbroath also enjoyed a big win, beating Stirling Albion 6-1 at Forthbank helped by doubles from David Gold and Greig Spence.
St Mirren needed a late Oan Djorkaeff penalty to get the better of Edinburgh City, 1-0 in Paisley, and Hamilton Accies defeated Clyde 3-1 at Ochilview.