Manchester City boss, Pep Guardiola, fears his side risks being torn apart by Real Madrid in the Champions League unless they raise their game.
Last weekend, Guardiola saw their dreams of a Treble end, after losing 2-0 to Arsenal in the FA Cup semi-final.
City welcome Real in August in the second leg of their last-16 tie.
Zinedine Zidane’s men are on a winning streak since the LaLiga restarted and have been crowned champions already.
“Maybe we will learn and maybe not. We will see. We struggled to play at our level and we know it. You don’t have to be a genius to realise we have to increase our standard against (Real) Madrid if we want to have any chance to go through.
City have only won the Carabao Cup this season, losing the Premier League title to a rampant Liverpool side.