I saw someone make a tier list of Irelia's match ups,and I didn't agree with some of it and i had some free time so here's my version of the tier list :
Counter Sylas: Comment jouer contre Sylas | lolvvv
Irelia mid matchups tier list IMO. Based on higher elo where people know how to play there champs would look very different in lower elo, thoughts? : r/IreliaMains
IRELIA vs SYLAS (MID) | KDA 13/0/4, 3 early solo kills, Legendary | Korea Diamond | v9.11 - YouTube