Douglas Royal beaten by Crosby side
Marown pulled off a shock result in the Keystone Law Hospital Cup preliminary round.
The Division Two side knocked-out Premier League Douglas Royal 4-1 thanks to Ashley Higginbotham with two goals, an early strike from Ryan Dean and an own goal.
FA Cup winners Corinthians were too strong for Division Two leaders Castletown winning 7-0 with Luke Murray scoring a hat-trick.
Furo Davies was on target four times as St. George's eventually saw off a hard-working Onchan 5-1 at Glencrutchery Road.
There were big wins for Old Boys who won 10-2 at Braddan and St. Mary's who thrashed Michael 12-2 at The Bowl.
Other sides making it through to the first round were Union Mills, Peel, Foxdale, Ramsey Youth Centre and St. John's.
FC Isle of Man and AFC Liverpool to meet in vital hunt for points
Hockey: Cup finals double-header on the cards
Rugby: Douglas to host Sandbach in big top-of-the-table clash
Football: Prem title contenders Corinthians and Peel to meet
