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World number one Novak Djokovic was knocked out of the BNP Paribas Open in the third round by Philipp Kohlschreiber at Indian Wells.

The Serb, who currently holds three of the four Grand Slam titles, was beaten 6-4 6-4 by the German world number 39.

Djokovic broke his racquet in anger after Kohlschreiber - who had lost his past seven matches against the 31-year-old - took the first set.

Britain's Kyle Edmund beat Radu Albot 6-3 6-3 to reach the last 16.

He will face Roger Federer, who defeated fellow Swiss Stan Wawrinka 6-3 6-4 to reach the fourth round.

The match between Djokovic and Kohlschreiber began on Monday but was delayed until Tuesday because of heavy rain.

Kohlschreiber won 72% of first-serve points and saved four of five break points as he closed out victory.

He will play French 18th seed Gael Monfils in the fourth round.

"To be honest, I don't enjoy losing, especially in a tournament like this, a tournament where I have had plenty of success in the past," Djokovic said.

"But it just happens, one of those days. You just have to deal with it, move on, turn the next page.

"Miami is the next tournament singles-wise for me. I'm not at my highest level, but slowly building, and hopefully I'll be able to peak in Miami."

Second seed Rafael Nadal reached the fourth round with a 6-3 6-1 win over Diego Schwartzman.

Nadal, a three-time champion at Indian Wells, did not face a break point in the match.

He will play Serbia's Filip Krajinovic next after Krajinovic, ranked 113, beat 15th seed Daniil Medvedev 6-3 6-2.

Elsewhere, Canadian 19-year-old Denis Shapovalov rapped on court in his post-match interview after beating Croatian 10th seed seed Marin Cilic.

Shapovalov, seeded 24th at Indian Wells, beat the 2014 US Open champion 6-4 6-2 and will play Poland's Hubert Hurkacz next.

Hurzack, ranked 67 in the world, fought back to beat Japanese sixth seed Kei Nishikori 4-6 6-4 6-3.