"Matchday" refers to the day on which a sports competition or game takes place, typically involving teams or individuals competing against each other. It is the day when the match or game happens. Full definition
The Dutch winger, singed as «the next Ronaldo» last summer, is failing to make matchday squads on a regular basis now. (caughtoffside.com)
On matchdays on weekend and Bank Holidays from 10 am until minute 30 of the second half. (fcbarcelona.com)
Johnstone, 23, is yet to make an appearance for United but has trained with the first team, been in matchday squads and is contracted to the club until 2018. (espnfc.com)