Djokovic upset by Musetti in Monte Carlo last 16

Novak Djokovic was knocked out in the last 16 of the Monte Carlo Masters by Lorenzo Musetti in three sets on Thursday after the world number one struggled badly on serve.

Djokovic, a two-time winner in the Principality in 2013 and 2015, was broken eight times before going down 4-6, 7-5, 6-4 on a wet and chilly day on the Cote d'Azur.

"(The) feeling is terrible after playing like this, honestly. But congrats to him. He stayed tough in important moments, and that's it," said Djokovic.

The Serb led by a set and a break against Musetti, but the Italian youngster fought back in a scrappy second set and then prevailed in the decider after rain interrupted the match for an hour.

Musetti, ranked 21st, advances to a quarter-final meeting with compatriot Jannik Sinner, who saved a match point before beating Poland's Hubert Hurkacz 3-6, 7-6 (8/6), 6-1.

Djokovic, the big favourite in the absence of Rafael Nadal and Carlos Alcaraz, surged 5-2 ahead in the opening set. He dropped serve as he tried to close it out before breaking Musetti for a third time.

The top seed again looked in control at 4-2 in the second but was broken to love in a game that started with Djokovic justifiably unhappy over a line call that went against him.

Musetti won the next three games, successfully serving for the second set at the second attempt after blowing his chance while leading 5-4.

A rain shower early in the deciding set forced play to be suspended, with Musetti landing the decisive break to go 5-3 up and eventually sealing victory on his fourth match point.

Djokovic has not gone beyond the last eight in Monte Carlo since 2015.

"I don't think it's catastrophic, but my feeling is bad right now because I lost the match. That's all," said Djokovic.

"It's not a