Montrose pulled off the shock of the Premier Sports Cup group stage so far, defeating Dundee United 1-0 in an impressive victory for Stewart Petrie's side.
Graham Webster's first-half goal proved to be the decisive winner for the League 1 side who kicked off their cup campaign in the best possible way at Links Park.
Elsewhere in Group B, The Spartans were defeated 3-1 at home by Stirling Albion, with the away side coming from behind to secure an impressive victory at Ainslie Park.
Stephen Robinson's Aberdeen started their pursuit of silverware with a 2-0 win over Brora Rangers, with Kevin Nisbet scoring a brace over their Group A opponents.
In the same group, two goals in five minutes from Aidan Connolly and Jack Hamilton sealed a 2-0 win for Queen's Park against Kelty Hearts at New Central Park, with the former sitting top thanks to their win over Brora last weekend.
It was a return to winning ways for Neil Lennon's Dunfermline in Group C, who got over their resounding defeat to East Kilbride by doing similar to Dumbarton on Tuesday night.
A brace from Andrew Tod, as well as goals from Oli Shaw and Josh Cooper, signalled a return to form for the Pars at East End Park, whose conquerors last weekend were defeated by Cove Rangers in an entertaining clash at Balmoral Stadium.
Despite taking the lead through Keir Foster, Cove hit back through Destiny Oladipo and Reuben McAllister in three second-half minutes, before Max Berry scored the winner just six minutes from time.
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Steven Pressley's impressive start to his second season at Dundee continued with a resounding 5-0 win over Annan Athletic at Galabank, with five different goalscorers finding the net in 25 second-half minutes to blow their League Two opponents away.
In the other Group D game, a second-half goal from Kyle Connell was enough to secure Clyde a 1-0 home win over Airdrieonians.
Partick Thistle made light work of Group E rivals Forfar Athletic at Station Park, who dominated their lower-league opponents from start to finish, scoring three goals in the opening 16 minutes of play.
Glenn Whelan's first taste of Premier Sports Cup action ended in victory at Glebe Park, with first-half goals from Tyrese Sinclair and Robbie Muirhead enough to seal three points for the Northern Irishman.
In Group F, Greenock Morton fell to a 2-0 defeat at the hands of East Fife, while Simo Valakari's St. Johnstone ran out 2-0 winners away from home at Linlithgow Rose.
Championship side Ayr United gained a Premiership scalp in the shape of John McGlynn's Falkirk in Group G, thanks to Kevin Holt's first-half goal away from home, with Edinburgh City getting the better of Alloa Athletic at Meadowbank.
Finally, Kilmarnock gained two points thanks to their 4-2 victory on penalties versus Raith Rovers in Group H, with Peterhead pulling off an impressive 3-1 victory at Borough Briggs against Elgin City.
