The world No. 1 said the "mental part" of his game was especially important in his run to the US Open title this year.
Amid the mental fight was Nick Kyrgios's usual array of the stupendous and stupid - under-arm serves, a record-breaking 145mph second serve, deft slices and, in the final tiebreak, shocking errors.
Nick Kyrgios lost his temper and blew a two-set lead but still managed to win a five-set thriller to storm into the fourth round of the Australian Open with a 10-8 victory over Karen Khachanov in the super tiebreaker on Saturday. The 24-year-old Australian raged at the umpire, raged at himself and raged at his box but ultimately prevailed 6-2, 7-6(5), 6-7(6), 6-7(7), 7-6(8) in the longest match of his career to set up a last-16 date with 19-times Grand Slam champion Rafael Nadal.
A prodigious yet polarising talent, former quarter-finalist Nick Kyrgios suffered his earliest exit from Melbourne Park.
Nick Kyrgios shelved the on-court histrionics and let his tennis do the talking to win an enthralling battle against rising Belgian David Goffin 4-6, 6-3, 7-5 and clinch the Japan Open on Sunday.
Kyrgios pledges to donate $50 per ace for hurricane-hit Puerto Rico
The 23-year-old Australian, who will be seeded 15th at Wimbledon, says he is in his best shape ever, and he is being talked about as serious challenger for this year's title.
Australia's Nick Kyrgios pulled out of the French Open after failing to shake off a persistent elbow injury that has troubled him in the past few weeks, the 23-year-old announced on Sunday.
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Nick Kyrgios has split with a second coach in a year after deciding to part ways with Todd Larkham just days before the start of Wimbledon.
No complaints but quarantine differentials were a mistake: Zverev
Australian wild thing Nick Kyrgios edged a step closer to a possible ATP ban when he was fined for a verbal outburst in his first round match at the Shanghai Masters.
John McEnroe believes outside of Roger Federer, Rafael Nadal and Novak Djokovic, Nick Kyrgios elevates the game like few others.
Images from Day 6 of Wimbledon at the All England Lawn Tennis and Croquet Club in London, on Saturday.
Australian Kyrgios was beaten in his first match in Lyon on Tuesday by Argentina's 94th-ranked Nicolas Kicker -- serving nine double faults during a 2-6, 6-4, 6-2 defeat.
Australian Nick Kyrgios blasted 15 aces to blow past Japan's Yoshihito Nishioka 6-2, 7-5 on Thursday and reach the quarter-finals at the Citi Open in Washington.
Nick Kyrgios denied joining the growing movement against US President Donald Trump after the Australian appeared to 'take a knee' ahead of his Laver Cup match with Roger Federer on Sunday.
Australian world number 29 Nick Kyrgios will definitely play in the Davis Cup quarter-final against Kazakhstan in Darwin later this month, if selected.
Suspected food poisoning forced Nick Kyrgios to pull out of his much anticipated quarter-finals showdown with Roger Federer at the BNP Paribas Open in Indian Wells.
Although Kyrgios dropped the opening set his level of play and interest rose dramatically after the pep talk and he swept the next three sets for a 4-6, 7-6(6), 6-3, 6-0 win.
Bulgarian Grigor Dimitrov kept cool in the Rod Laver Arena maelstrom to knock home favourite Nick Kyrgios out of the Australian Open in a fourth-round thriller on Sunday.
As Grand Slam governing bodies ponder over the perfect blueprint of future events amid the novel coronavirus pandemic, Australian world number 40 Nick Kyrgios has said he does not want to play in a major in the absence of crowd. The tennis season was suspended in March due to the pandemic and the shutdown will continue at least until mid-July with countries closing borders and going into lockdown to contain the spread of the virus.
Kyrgios did not face a single break point and hit 18 aces, including two to close out the final.
Australian maverick Nick Kyrgios blazed past Feliciano Lopez with a barrage of aces to reach the semi-finals of the ATP 500 Fever-Tree championships at Queen's Club on Friday. The 23-year-old was in dazzling form as he claimed a 7-6(5), 7-6(3) victory over the defending champion to set up a clash with top seed Marin Cilic, who breezed past Sam Querrey.
Nick Kyrgios toppled his childhood idol Jo-Wilfried Tsonga to bury his Rod Laver Arena hoodoo and reach the fourth round of his home Australian Open on Friday.
Controversial tennis star Nick Kyrgios has launched a fresh social media attack on Australian Olympic team boss Kitty Chiller before launching a Facebook poll to determine whether he should go to the Rio Games.
'I guess only the top players' images matter. I guess only the independent tribunal's opinion on the top players is taken as sound and right.'
Nick Kyrgios has hit back at Bernard Tomic after his compatriot accused him of feigning illness to skip Australia's Davis Cup match against the United States at the weekend.
Australia's bad boys of tennis Nick Kyrgios and Bernard Tomic have been named in the Davis Cup squad for the World Group playoff against Slovakia after bowing out of the US Open in typical controversy.
Nick Kyrgios, who retired injured from Wimbledon on Monday, knew he was struggling with a hip injury even as he came out on court but he wanted to give his favourite tournament a shot.
Australia's tennis badboy Nick Kyrgios was on Monday handed a suspended ban and fine by the ATP for his lurid verbal attack on Stan Wawrinka at the Rogers Cup in Montreal.
The Australian fell to the floor in celebration after clinching the victory, before sticking a finger behind his ear and asking the raucous crowd to cheer louder.
Roger Federer may have his doubts about Australia's Nick Kyrgios, but the firebrand talent believes he is ready to become his nation's first home Grand Slam winner in 40 years.
Australian Nick Kyrgios was expelled from the tournament after going wild in the third set of his match against Casper Ruud.
'I think we should have a heat rule, it's not healthy to be out there getting dizzy and stuff and the poor ball kids out there. There should definitely be a heat rule looked at and put into place'
Nick Kyrgios eased past John Isner 7-5, 7-6(5), 7-6(5) in a duel of big servers to fire Australia to a 2-0 lead over the United States in their Davis Cup quarter-final in Brisbane on Friday.
Stan Wawrinka reached his second final of the season as Nick Kyrgios retired injured from their semi-final at the ATP Dubai Championships on Friday. The Australian quit due to back pain while trailing 6-4, 3-0, having had on-court treatment after the seventh game of the opening set. Wawrinka now moves into position for a possible second trophy of the season after winning in Chennai to start the year. The French Open champion will face either sixth seed Feliciano Lopez, who advanced in the quarter-finals when Novak Djokovic was unable to continue due to an eye infections or former Australian Open finalist Marcos Baghdatis. Wawrinka, ranked fourth, carries an enviable record into the Saturday title match at the Aviation Club, having won his last eight finals.
If Rafael Nadal wanted to blame anyone for the way Nick Kyrgios came out all guns blazing, firing down 37 scorching aces and 70 sizzling winners, he needs to look no further than the Australian wildcard's mother.
Australian controversial tennis star Nick Kyrgios has been slapped with the largest fine at the French Open for uttering an audible obscenity during his third round loss to Richard Gasquet.
The former world number four, looking for a first Grand Slam title having been US Open runner-up in 2014, blasted Kyrgios off court as he raced through the first set in 16 minutes.