Aidan Smith hit a hat-trick as Annan Athletic beat Celtic Colts 3-1 in the first round of the IRN-BRU Cup at Galabank on Tuesday night.
Partick Thistle's Neil McLaughlin also claimed a treble as Partick Thistle's U20 side thrashed Stirling University 6-1 at Firhill.
Lewis Morgan scored an injury-time winner as St Mirren came from behind to beat East Kilbride 2-1 at the Paisley 2021 Stadium while Livingston beat Morton 2-0 at Cappielow in an all-Championship tie.
Patrick N'Koyi got both goals for Dundee United in their 2-0 win over Cowdenbeath at Tannadice and Andy Ryan bagged a debut double for Dunfermline as they saw off Arbroath 2-0 at East End Park.
Derek Lyle set Queen of the South on their way to a 4-0 win against Airdrieonians at Palmerston and Raith Rovers beat Brora Rangers 3-0 at Stark's Park.
Aberdeen U20s beat their St Johnstone counterparts 1-0 at Glebe Park and Hearts Colts fought back to beat Formartine United 3-2 at North Lodge Park, with Harry Paton scoring the clincher in the last minute of extra time.
Montrose were 3-1 winners at League 2 rivals Stirling Albion and Elgin City defeated Hibernian Colts at Ainslie Park. Peterhead won 2-0 at East Fife and Stranraer overcame Clyde 3-2 at Broadwood after extra time.
There are four more games this evening and the second-round draw takes place tomorrow, live on the SPFL Facebook page at 1.00pm.
A full list of results and scorers from the 20 ties played on Tuesday can be found HERE.
