Actually, both Liverpool and Real Madrid missed the penalty kicks. It's just that for Real Madrid, this is a chance to at least score 1 goal, but really, Mbappe seems to be beyond hope, even Kelleher has been able to read Mbappe's kick movement during the penalty kick.
Source: Mbappe was denied by Kelleher
It was the moment of truth, the moment that Real Madrid could have promised themselves to get something out of the game as they’ve hoped, as the fans have hoped but, Mbappe once more proved his not a great addition to the Real Madrid quality, the team was just as good as it was. His a great player for sure but, here was the moment to prove himself and something in the absence of Vini Jnr and he couldn’t. Yes, it was the Anfield and unlike Liverpool, Real Madrid needed this game more than they did.Source: Mbappe was denied by Kelleher
They don’t seem like the UCL specialists no more, glory days is beginning to evade them and it’s the one thing Mbappe came there for.