Guernsey FC beat Jersey champions Jersey Scottish 4-2 in their final pre-season friendly of the season.
Fielding an experimental line-up, Guernsey took the lead after six minutes when Ben Coulter put the ball past Guernsey FC keeper Chris Tardif who played for the Scots.
Scottish equalised soon after before Ross Allen scored two.
Scottish pulled one back before half time but teenage substitute Joe Alvarez got the fourth on 55 minutes.
Guernsey's next game is their opening match in the Combined Counties League Premier Division when they host Croydon on Saturday 4 August.