exclude match day from calendar

I mark all friendly games with matchday OEF, so it’s clear they’re friendly games.

Is it possible to exclude this matchday from certains calendars (for instance when i want to show a calender of only competition games)

this could be the solution for this problem
https://sportspress.uservoice.com/forums/285525-ideaboard/suggestions/30951811-display-game-types