Following Wednesday night's Champions League quarter-final second legs, we now know the four teams who will compete for a place in this season's final, to be held at Atletico Madrid's Wanda Metropolitano on May 19. Liverpool's <a href="https://www.thenational.ae/sport/football/liverpool-crush-porto-to-set-up-semi-final-champions-league-clash-against-barcelona-1.850474">crushing away win in Porto</a> saw Jurgen Klopp's side set up a semi-final showdown against <a href="https://www.thenational.ae/sport/football/lionel-messi-always-gets-us-out-of-trouble-says-barcelona-manager-ernesto-valverde-1.849953">Lionel Messi's Barcelona</a> while Tottenham Hotspur advanced to face Ajax after overcoming Manchester City on an <a href="https://www.thenational.ae/sport/football/fernando-llorente-says-scoring-decisive-goal-against-manchester-city-one-of-the-best-moments-in-my-career-1.850501">insane night of drama at the Etihad Stadium</a>. This is the furthest Barcelona have gone since winning Europe's premier club competition in 2015 while Liverpool will look to reach their second consecutive final after losing 3-1 to Real Madrid in Kiev last year. Four-time winners Ajax, <a href="https://www.thenational.ae/sport/football/cristiano-ronaldo-s-juventus-stunned-on-an-incredible-evening-for-ajax-1.849914">who knocked out Cristiano Ronaldo's Juventus 3-2 on aggregate after a famous win in Turin on Tuesday night</a>, are in the last four for the first time since 1997, while Tottenham have never been beyond the quarter-finals in the Champions League era, although did reach the semi-finals of the European Cup in 1962. <strong>Tuesday, April 30</strong> Tottenham v Ajax, 11pm <strong>Wednesday, May 1</strong> Barcelona v Liverpool, 11pm <strong>Tuesday, May 7 </strong> Liverpool v Barcelona, 11pm <strong>Wednesday, May 8</strong> Ajax v Tottenham, 11pm