Novak Djokovic has absolutely unloaded on a chair umpire at the Italian Open after receiving a time violation warning while serving.

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Djokovic fumes at chair umpire

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VIDEO Djokovic fumes at chair umpire. Source: Fox Sports Djokovic fumes at chair umpire

The 12-time grand slam champion will face Juan Martin del Potro or Kei Nishikori in the last eight after beating Spaniard Roberto Bautista Agut 6-4 6-4 at the Foro Italico.

HE'S SMART: Djokovic weighs in on Federer's French Open absence

There were more encouraging signs from Djokovic ahead of the French Open as the second seed stayed in the hunt for only his second title of the year.

And there was fire in his belly, as he swore at the chair umpire after being broken in the second set, having been given a time violation.

Djokovic can't believe it. Image: Getty

"How can you give me a f***ing warning?" Djokovic fumed at the umpire at the change of ends.

"He's taking too much time," he said in reference to a ballboy.

"Recognise the situation for god's sake."

Fuming. Image: Fox Sports

The time violation rule has been the source of much frustration in recent times.

Rafael Nadal and Australia's Daria Gavrilova were both left exasperated when hit with time violation warnings at the Australian Open in January:

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Nadal not happy with time violation warning

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VIDEO Nadal not happy with time violation warning. Source: Channel 7 Nadal not happy with time violation warning
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Dasha hit with time violation

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VIDEO Dasha hit with time violation. Source: Channel 7 Dasha hit with time violation

Djokovic put the blame on a ball boy before channelling his frustration to secure a win that was sealed with a sublime forehand winner.

Djokovic has endured a disappointing year and recently parted company with his long-time coaching staff, but the Serbian appeared to have rediscovered some drive and broke three times to advance under blue skies in Rome.

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Nadal beats Sock for 17th-straight win

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VIDEO Nadal beats Sock for 17th-straight win. Source: Tennis TV Nadal beats Sock for 17th-straight win

Bautista Agut claimed his first win over Djokovic at the sixth attempt in the Shanghai Masters last October, but there was to be no repeat in the Eternal City.

Elsewhere Rafael Nadal picked up his 17th-straight victory by beating Jack Sock, while Stan Wawrinka crashed out at the hands of John Isner.

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Djokovic and son Stefan hit the practice court

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VIDEO Djokovic and son Stefan hit the practice court. Source: DjokerNole/YouTube Djokovic and son Stefan hit the practice court

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