Real Madrid escalated their complaints over scheduling on Saturday, with the club's official TV channel confirming the team will refuse to play in future if their players aren't given a minimum 72 hours' rest between matches.
Madrid played rivals Atlético Madrid in their Champions League round of 16 second leg on Wednesday, a game which kicked off at 9 p.m. local time and lasted 120 minutes, plus a penalty shootout, ending at close to midnight.
Their next game was against Villarreal on Saturday in LaLiga, with the match starting at 6.