Arbroath came back from a goal down to ease to a surprise victory over Second Division Forfar Athletic.
Paul Lunan pounced on a knock-down from Gavin Beith on the edge of the box to put the Third Division outfit behind.
Arbroath levelled with a close-range header from Alan Brazil before twice hitting the woodwork.
The visitors went ahead in the through a great solo effort from Jay Stein and Barry Sellars wrapped things up the Challenge Cup win with a late header.
Forfar: Murdoch, Lumsden, Lynn, Dunn, Rattray, Beith (Coyle 58), Lunan, Marshall (Donald 65), Lombardi, Gribben, Webster.
Subs Not Used: Fraser, Montgomery, Wood.
Booked: Gribben, Beith, Lombardi, Donald, Lynn, Dunn.
Goals: Lunan 14.
Arbroath: Morrison, Rennie, McCulloch, Raeside, Bishop, Dobbins, Black (Watson 81), Brazil, Martin (Voight 75), Sellars (McMullen 83), Stein.
Subs Not Used: Reilly, Peat.
Booked: Raeside, Black.
Goals: Brazil 27, Stein 64, Sellars 72.
Ref: M Tumilty (Scotland).
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