Cesaro and Dolph Ziggler were next to compete in a quick match with the Miz commentating at ringside.
After his victory on Tuesday, Denis Istomin said it might have looked easy with a quick match and a lopsided score.
Federer obliterated Nadal, 6-3, 6-0, in only 61 minutes -- an incredibly quick match especially considering how much Nadal slows down play between points.
"Today was a quick match but tomorrow's against Novak will not be based on fitness, it will be in the details," said Federer afterwards.
Playing consistent, powerful tennis, Williams combined for 58 winners in the two quick matches and less than a third as many unforced errors.
"I think obviously if you play a quick match on the Friday, it doesn't really make a huge difference," Murray said.
"We were just on our way back from our gentlemen's club, the ball rolled in our path, and we thought we'd have a quick match".
Andy Murray, too, had reason to be grumpy about Sharapova's defeat – the lightning quick match meant he was forced back on court for the doubles semi-final far sooner than he might have expected.
With sophisticated options for energy conservation, marking and positional awareness, why not get up to speed in a quick match before testing your skills in arcade and tournament modes?
Myself, Tommy [Seymour] and Hoggy [Stuart Hogg] were up there in terms of running metres, so it was a quick match and we've got the numbers to back it up.
