Roger Federer and Rafael Nadal will face off Friday in the semifinals of Wimbledon, marking the first time the two have played each other at the All England Club since their epic 2008 final.
This will be the 40th meeting between them, so there will be little mystery between the two...but every match is different. Our SI Tennis crew breaks down what should be quite the spectacle on Centre Court.
Jon Wertheim: Will be able to win points on his second serve? Nadal has done so much right at this tournament, but one thing that sticks out is the way he’s been attacking his opponents when they missed their first ball.