Jason Cummings scored early in both halves as Ladbrokes Championship favourites Hibernian won 2-1 at Falkirk on Saturday.
Craig Sibbald hauled the Bairns level for a time but Neil Lennon's men claimed all three points at the Falkirk Stadium on the opening day.
Joe Cardle hit a hat-trick as Dunfermline Athletic celebrated flag day with a 4-3 win over Dumbarton at East End Park. David Hopkirk also scored for the Pars, who had Lee Ashcroft sent off late on. Robert Thomson had given the Sons the lead while their other goals came from a pair of Mark Docherty penalties in stoppage time.
Raith Rovers are the early pacesetters after a 2-0 win away to promoted Ayr United thanks to goals from Ross Callachan and Ross Matthews.
Dundee United were held to a 1-1 draw by Queen of the South at Tannadice, with Nick van der Velden cancelling out Mark Millar's goal.
John Sutton scored a late equaliser as St Mirren and Morton drew 1-1 in the Renfrewshire derby in Paisley after Thomas O'Ware opened the scoring.