Onchan surprised Ayre United in the GH Corlett Woods Cup preliminary round.
Craig Marsh, Mark Burman, Gerard Colligon and Mark Rees were on target in a 4-2 home win.
Phil Quayle and Elliot Cureton replied for the Tangerines.
Douglas Athletic are up to fifth in JCK Division Two after an 8-1 thrashing of Braddan.
A Josh Green treble, a Liam Dawson double and further goals from Darren Shields, Andy Newton and Stuart Monks (penalty) secured the three points to lift them above Colby in the table.
Squash: Isle of Man contests European championships in Bucharest
Manx side win final game during challenging competition in Romania
Cricket: Isle of Man announces women's T20 side to face Guernsey
Manx team to take on fellow Island nation in three-game series
Netball: Four trophies decided in charity cup finale
Premier Division runners-up beat champions during busy NSC event
'Steady demand' expected again for 2024 Parish Walk
Entries for event closing this coming Sunday (5 May)
Football: Adam Long pens new deal at AFC Fylde
Manxman extends stay after joining earlier in 2024
Athletics: Mullarkey wins at Payton Jordan Invitational
Manxman also sets new outdoor 5000m record in process
