Roger Federer plays an incredible fifth set against Rafael Nadal in the finals of the 2017 Australian Open.
Many thought that it was all but over when Rafa took the lead. But armed with a new, juiced-up backhand and combined with a rare let-up of pressure by Rafa, Roger prevails and wins the tournament – a win that surprised even him.
https://www.youtube.com/watch?v=0rEJdttPgtQ