An action-packed day at the Italian Open was marred by an astonishing outburst from Australian Nick Kyrgios, who was expelled from the tournament after going wild in the third set of his match against Casper Ruud on Thursday.

Italian Open: Federer, Nadal and Djokovic reach last eight, Kyrgios expelled

Australia's Nick Kyrgios has branded Rafa Nadal a sore loser, the Spaniard's uncle Toni an "idiot" and said world number one Novak Djokovic has a "sick obsession" with being liked in a podcast certain to ruffle feathers ahead of the French Open.

Nick Kyrgios calls Novak Djokovic 'cringeworthy', Rafael Nadal 'salty' in candid podcast

Australian Nick Kyrgios was disqualified from the Italian Open on Thursday after storming off court during his second round match against Norwegian Casper Ruud. The controversial figure, who had made headlines by criticising other players including Novak Djokovic and Rafael Nadal in an interview on Wednesday, started arguing with the umpire in the third set.

Kyrgios kicks water bottle, throws chair & gets disqualified from Italian Open

Having annoyed Rafa Nadal with an underarm serve at Acapulco, Nick Kyrgios doubled down with the tactic to win two points against hapless Serb Dusan Lajovic at the Miami Open and fire up a timeworn debate between modern fans and purists.

Underarm or underhanded? Nick Kyrgios serve stokes debate

Nick Kyrgios saved his best performance of a brilliant week for last as the Australian stunned second seed Alexander Zverev 6-3, 6-4 to win the Acapulco International in Mexico on Saturday (March 2) for his fifth career ATP title.

Nick Kyrgios beats Alexander Zverev to win Acapulco title

World number three Alexander Zverev powered into his first ATP final of 2019 on Friday, downing Britain's Cameron Norrie 7-6 (7/0), 6-3 in Acapulco. The 21-year-old German, playing just his second tournament of the year after crashing out of the fourth round of the Australian Open, will fight for the title against either third-seeded John Isner or Nick Kyrgios -- who has reached the last four with victories over 17-time Grand Slam champion Rafael Nadal and three-time Grand Slam winner Stan Wawrinka.

Alexander Zverev powers into Acapulco final

Nick Kyrgios scripted his third major victory of the week on Friday when he defeated John Isner 7-5, 5-7, 7-6(7) to set up a showdown against Alexander Zverev in the final of the Acapulco International in Mexico.

Nick Kyrgios beats Isner to set up Acapulco final against Zverev

A focused Nick Kyrgios overcame a hand injury, leg cramps and a strong performance from Stan Wawrinka to prevail 7-5, 6-7(3), 6-4 and advance to the semi-finals of the Acapulco International on Thursday.

Nick Kyrgios braves cut and cramps to down Stan Wawrinka

Rafael Nadal accused Nick Kyrgios of lacking respect "for the public, the opponent and himself" after a stormy defeat to the Australian firebrand at the Mexico Open.

Rafael Nadal blasts Nick Kyrgios for 'lack of respect' after Acapulco defeat

Roger Federer's third-round masterclass against American Taylor Fritz at the Australian Open on Friday drew gushing praise from bad boy of tennis Nick Kyrgios during a guest commentary gig for the host broadcaster.

Nick Kyrgios is better on court than behind mike, says Roger Federer

Australian Nick Kyrgios has called time on his season after pulling out of the Kremlin Cup on Thursday with a recurrence of an elbow injury. Kyrgios, seeded fifth at the Moscow event, had been due to face Bosnia-Herzegovina's Mirza Basic.

Nick Kyrgios ends season after pulling out of Kremlin Cup

Roger Federer warned temperamental Australian Nick Kyrgios on Tuesday that he would never fulfil his potential without the work ethic to go with his talent. The 23-year-old Kyrgios made another contentious exit from the Shanghai Masters on Monday after a running argument with the chair umpire who suggested his efforts were "borderline".

Roger Federer warns Kyrgios over work ethic after Shanghai strop

Australian tennis player Nick Kyrgios' previous outbursts and bad behaviour have meant that umpires are probably keeping a closer eye on him than his opponents, according to compatriot Todd Woodbridge.

Kyrgios attracts more scrutiny from officials, says Woodbridge

The drama started when Kyrgios tweeted his support for close mate Thanasi Kokkinakis

Kyrgios, Verdasco engage in Twitter spat at Miami Open

Nick Kyrgios moved into the fourth round of the Miami Open

Kyrgios cruises into fourth round of Miami Open

Laver Cup pits Team Europe against Team World in which four of the six players on each team are chosen on rankings after Wimbledon and the other two are captain's picks

Roger Federer, Nick Kyrgios launch 2018 Laver Cup in Chicago

Third seed Dimitrov absorbed 76 winners and struck 64 of his own to edge a scintillating duel 7-6(3) 7-6(4) 4-6 7-6(4)

Australia Open: Grigor Dimitrov beats Nick Kyrgios to reach quarter-finals

Kyrgios received a code violation for using inappropriate language during first round match

Nick Kyrgios found guilty of 'unsportsmanlike conduct', fined

The tempestuous?Kyrgios?had just been beaten in a tiebreak against Johnson when he?walked to the net,?offered his hand to the American and stormed?off the court to the bemusement of his opponent and chair umpire Fergus Murphy.

Nick Kyrgios fined $10,000 for Shanghai walk off

Kyrgios triumphed 6-4, 7-6 (7/3), notching his second victory over Djokovic in less than two weeks

Nick Kyrgios beats defending champion Novak Djokovic at Indian Wells

He was jeered off the court by sections of the crowd after his shock Australian Open loss to Italian Andreas Seppi on Jan 18

Nick Kyrgios hopes team spirit can help overcome Seppi loss

In view of the tennis star's tantrum at the Shanghai Masters, ATP ordered a three week ban that could be raised if Kyrgios did not seek help

ATP orders Kyrgios to see psychologist or face eight-week ban

Kyrgios was slapped with a $16,500 penalty for his meltdown at the Shanghai Masters, where he tanked points, swore and argued with fans

Concern not condemnation for troubled Nick Kyrgios

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Italian Open: Federer, Nadal and Djokovic reach last eight, Kyrgios expelled

Nick Kyrgios calls Novak Djokovic 'cringeworthy', Rafael Nadal 'salty' in candid podcast

Kyrgios kicks water bottle, throws chair & gets disqualified from Italian Open

Underarm or underhanded? Nick Kyrgios serve stokes debate

Nick Kyrgios beats Alexander Zverev to win Acapulco title

Alexander Zverev powers into Acapulco final

Nick Kyrgios beats Isner to set up Acapulco final against Zverev

Nick Kyrgios braves cut and cramps to down Stan Wawrinka

Rafael Nadal blasts Nick Kyrgios for 'lack of respect' after Acapulco defeat

Nick Kyrgios is better on court than behind mike, says Roger Federer

Nick Kyrgios ends season after pulling out of Kremlin Cup

Roger Federer warns Kyrgios over work ethic after Shanghai strop

Kyrgios attracts more scrutiny from officials, says Woodbridge

Kyrgios, Verdasco engage in Twitter spat at Miami Open

Kyrgios cruises into fourth round of Miami Open

Roger Federer, Nick Kyrgios launch 2018 Laver Cup in Chicago

Roger Federer, Nick Kyrgios launch 2018 Laver Cup in Chicago

Australia Open: Grigor Dimitrov beats Nick Kyrgios to reach quarter-finals

Nick Kyrgios found guilty of 'unsportsmanlike conduct', fined

Nick Kyrgios fined $10,000 for Shanghai walk off

Nick Kyrgios beats defending champion Novak Djokovic at Indian Wells

Nick Kyrgios hopes team spirit can help overcome Seppi loss

ATP orders Kyrgios to see psychologist or face eight-week ban

Concern not condemnation for troubled Nick Kyrgios