In its present format, Arsenal have, as of 2020–21, qualified to play in the UEFA Champions League on 19 occasions and Tottenham 5, although Spurs did achieve a fourth-place finish in the 2011–12 Premier League season but were denied a place in the Champions League due to Chelsea winning the Champions League. Arsenal were runners-up in the 2005–06 UEFA Champions League competition, as were Tottenham in the 2018–19 Champions League. Prior to this, Arsenal qualified for the former European Cup on three occasions, while Tottenham did so once. Arsenal were unable to compete in the 1989–90 competition owing to a ban on English clubs following the Heysel Stadium Disaster.