Novak Djokovic lost his temper but refused to let the prospect of Australian Open glory slip away as he edged out Alexander Zverev to reach the semi-finals.
The world number one destroyed a racket when trailing 3-1 in the third set, after he and Zverev split the opening two sets, and it was one of a number of moments when the Serbian showed heightened volatility during a 6-7 (6-8) 6-2 6-4 7-6 (8-6) win.
Still bothered by an abdominal problem that he sustained in the third round, Djokovic nevertheless strides on and will face Russian qualifier Aslan Karatsev for a place in the final.
Zverev, who played in a bright yellow headband and vest top, with a gold medallion hanging from his neck, will look back on an opportunity missed.
As well as that third-set lead, Zverev was also up a break at the start of the fourth, but the US Open runner-up lacked the composure to convert those hard-earned positions.
If Djokovic's racket-smashing was a tactical move designed to gee himself up and distract Zverev, then it worked a treat.
A nip-and-tuck opener had gone the way of German world number seven Zverev, who then made a wretched start to the second set and was 4-0 behind in the blink of an eye.
Just as momentum began to swing back Zverev's way in the third, Djokovic went into his rage, with a ball girl summoned to clear up the mess the 33-year-old created.
Back came Djokovic as double faults began to leak from Zverev's racket, and soon they were into a fourth set.
Zverev led 3-0 but Djokovic was not going away, seizing on mistakes from an opponent who by the end of the second tie-break of the match could only wonder what might have been.
An ace from Djokovic finished off the contest. After eight titles at Melbourne Park, a hunger for more continues to define his every performance in Australia.
"Emotionally I feel a little bit drained. We pushed each other to the limit," Djokovic said in his on-court interview.
"Other than in the second set I started pretty poorly in all the other three sets. I lost my service very early in the first, third and fourth and allowed him to swing through the ball a bit more, but I regained my focus.
"I broke that racket and things started to shift a little bit for me in a positive direction."
Sinner inspires comeback to help Italy reach Davis Cup semi-finals
Jannik Sinner kept Italy's hopes of retaining the Davis Cup alive after winning matches in the singles and doubles to inspire a 2-1 comeback triumph over Argentina on Thursday.
Sinner and Matteo Berrettini edged Maximo Gonzalez and Andres Molteni 6-4 7-5 in the deciding game to set up a rematch of last year's showpiece against Australia in the final four.
However, the Italians started off on the back foot when Francisco Cerundolo downed Olympic bronze medallist Lorenzo Musetti 6-4 6-1 in an hour and 29 minutes.
Musetti converted just two of the eight break points he was presented with, as Cerundolo put Argentina on the brink of reaching the semi-finals for the first time since 2016.
But two-time grand slam champion Sinner, who won the ATP Finals last weekend, carried his momentum forward from Turin against Sebastian Baez.
The world number one breezed to a 6-2 6-1 win over his opponent, serving seven aces to the Argentine's one, while also saving all four break points he faced.
Sinner then returned to the court alongside Berrettini, with the pair replacing Simone Bolelli and Andrea Vavassori in the must-win clash.
The pair won 90% of their first-serve points and fended off all five break points they faced, earning a key break at 5-5 in the second set before surging to victory.
"It was a must-win match," said Sinner. "Very different conditions. The court is very, very fast and tough to play.
"I haven't had so much time to adapt to the conditions, but I'm happy about today."
Data Debrief: The Italian Job
Italy edged closer to becoming only the sixth nation to retain the Davis Cup since the final stage was introduced 52 years ago, and first since the Czech Republic in 2013.
But they were inspired by Sinner once again, who proved why he will end the year at the summit of the ATP rankings.
And after leading Italy to their first Davis Cup title since 1976 with a victory against Australia's Alex de Minaur last year, he will fancy his chances this time around.
Ebden and Thompson send Australia to third straight Davis Cup semi
Matthew Ebden and Jordan Thompson booked Australia's place in the Davis Cup semi-finals after the pair clinched their deciding match against the United States to win 2-1.
The pair, who won gold at the Paris Olympics, beat Tommy Paul and Ben Shelton 6-4 6-4 to put Lleyton Hewitt's side into their third successive semi-final at the men's team event.
Australia, who have won the tournament 28 times, largely had Thanasi Kokkinakis to thank after his remarkable triumph over Shelton in the first match of the day.
Kokkinakis saved four match points and let slip six of his own before eventually prevailing 6-1 4-6 7-6 (16-14) in an engrossing encounter that lasted two hours and 14 minutes.
However, in the rematch of a recent ATP Finals group-stage match, Taylor Fritz emerged victorious over Alex De Minaur as he did in Turin a week ago.
Despite De Minaur going 2-0 up in the second set, Fritz roared back to earn a 6-3 6-4 victory to send the tie the distance in Malaga.
But Australia held their nerve, and will discover their opponents later on Thursday when reigning champions Italy take on Argentina.
Ebden and Thompson’s win came after United States’ captain Bob Bryan opted for a late change, with Paul and Shelton replacing Austin Krajicek and Rajeev Ram.
“We were expecting the other pair, but we knew they’ve got incredible players who can play doubles,” said Ebden.
“We were ready. A slight adjustment obviously. More huge serving singles players than the doubles craft, maybe, but it was just as big a challenge as any.
"Out here, finals live match, just to play with Jordan here was real fun. Following what Kokk did, unfortunately Alex went down, but what a day. So fun, so happy.”
Data Debrief: Australia ready to right Davis Cup wrongs
Australia have failed to win the Davis Cup since 2003, but they will be confident of halting that streak this time around.
If they take the trophy, they will have reason to thank Kokkinakis, whose tie-break win against Shelton was the longest an Australian player had featured in at the tournament, surpassing Pat Rafter's win over David Rikl in the 1997 quarter-finals of the competition (15-13).
Ebden and Thompson also shone when it mattered most, serving four aces compared to Paul and Shelton's two, while also winning 92% of their first-serve points.
McKenna fired up for 'biggest game in world football' against Man United
Kieran McKenna believes Ipswich Town's Premier League clash with Manchester United will be the "biggest game in world football" this weekend.
United are in action under new manager Ruben Amorim for the first time since the Portuguese officially replaced Arne Slot as head coach.
While plenty of focus is on the visitors at Portman Road, Ipswich are fired up after beating Tottenham 2-1 before the international break.
That was Ipswich's first league win of the season – and their first in the Premier League in 22 years – and now attention turns to facing United.
McKenna, who previously coached United, said at a fan event this week: "Sunday, what a game. It's one we're really, really looking forward to.
"Not for the personal connection, but as manager of Ipswich Town, to be on that stage, it's what we've worked so hard for.
"It's the biggest game in world football anywhere this weekend, the biggest game in the world in the biggest sport in the world and it's at Portman Road."
Ipswich's surprise win at Tottenham last time out moved them up to 17th, while United are 13th after beating Leicester City 3-0 in Ruud van Nistelrooy's final game in caretaker charge.
Amorim took his first training session on Monday, albeit with many first-team stars away on international duty, and the former Sporting CP boss believes his style of play will be clear to see from the off.
"I think you will see an idea," he told the club's website. "You could like it or not, I don't know, but you will see an idea.
"You will see a positioning. You will see something that we want to reach that kind of level. You will feel that.
"We have to know it's [only] two trainings before the first match. This is the best league in the world. But if I have to say something to you, [it's that] you will see an idea. This I can guarantee."
PLAYERS TO WATCH
Ipswich Town - Liam Delap
Delap scored what proved to be Ipswich's winner against Tottenham and has now netted six of his side's 12 Premier League goals this term.
That makes the Manchester City academy product one of only three players to have scored at least half of his side's goals in the competition this season, along with Erling Haaland at City (55%) and Chris Wood at Nottingham Forest (53%).
Manchester United - Alejandro Garnacho
Garnacho was among the scorers against Leicester two weeks ago and has now been directly involved in 20 Premier League goals for United (13 goals and seven assists).
The Argentina international is one of only two non-British players to reach that figure for United before turning 21, along with Cristiano Ronaldo (25 goals).
MATCH PREDICTION: MANCHESTER UNITED WIN
Ipswich are seeking back-to-back Premier League wins for the first time since February 2022, with that run also beginning with a 2-1 victory against Tottenham.
The Tractor Boys are the only side in the competition without a home win this season. Only five newly promoted clubs have failed to win any of their first six home matches, all of whom went back down.
United have won 17 of their past 19 Premier League games against newly promoted opponents, meanwhile, including nine wins in a row in away fixtures.
The Red Devils were 1-0 winners on their most recent league trip to Portman Road in April 2022, but only once have they won successive league games away to Ipswich.
However, the Tractor Boys have lost four of their past five league matches against Man United, failing to score in each of those losses.
OPTA WIN PROBABILITY
Ipswich Town - 22.2%
Draw - 23%
Manchester United - 54.8%
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