Nick Kyrgios makes history with another win over Novak Djokovic

And there'll now be a quarterfinal match on Friday between the rising Kyrgios and Federer, who still seems to be gaining altitude against the odds at age 35.

In a statement posted to his Twitter page, Kyrgios said he had been uncomfortable over the previous night, and was "praying it (was) only food poisoning and nothing more". (That's not normal! that's faster than any Djokovic first serve! you're supposed to play it safe.) Never seen this many second-serve aces before, and the Australian notched 14 aces total, a feat best captured in a sequence that left me slack-jawed, at 1-2 in the second set.

The 21-year-old is understandably heartbroken, like all of the fans.

"I wish Roger the best of luck for the rest of the tournament and thank everyone for their support so far at the BNP Paribas Open".

"For me it was physically a good match", said Federer.

The Swiss will now face Australian Nick Kyrgios, who eliminated Serbian Novak Djokovic 6-4 and 7-6 (3) in an hour and 52 minutes. But the maturity and match in, match out, that's something that he's searching for, and I do think that at some point when he does want to add a coach, I think it could only help him.

"All my coaches throughout my career have told me to go more for the backhand, but I used to shank more". I started the season [great], [by] playing great tennis [and by] winning a lot of matches.

At just 21, Kyrgios is also the youngest player to have snared the scalps of Federer, Nadal, Djokovic, Andy Murray and Stan Wawrinka, though his success over Murray came a year ago at the non-sanctioned Hopman Cup.

It was the 50th win at the Indian Wells Tennis Garden for Nadal, who has lifted the trophy three times, in 2007 (over Novak Djokovic), 2009 (Andy Murray) and 2013 (Juan Martin del Potro).

"I was in a pretty dark place", said the world number 16. You feel like you're just happy and fresh and I've tried to show that to the people, and then I've tried to translate that also to my game. I was trying to find solutions.

"It's a nice feeling to win the last three". "I have to get back to work in a couple of days". I love his first serve and I think he hits the lines at will on either side.

Federer advanced to the semi-finals where he will take on American 17th seed Jack Sock on Saturday.

But, undoubtedly, a very fine tennis player seemingly destined for slam-winning greatness, his serve again impregnable against Djokovic, his power breathtaking at times.

  • Julie Sanders