World number one Ash Barty moved through to the last 16 of the Miami Open, where Simona Halep's campaign came to a premature end.
Defending champion and top seed Barty was too good for Jelena Ostapenko in Saturday's showdown between the former French Open winners.
Two-time grand slam winner Victoria Azarenka also moved through to the fourth round of the WTA Premier tournament.
Halep, however, succumbed to a shoulder injury in Miami.
CLASH OF PAST AND PRESENT NUMBER ONES
Barty and former world number one Azarenka will go head-to-head for a place in the quarter-finals.
Australian star Barty accounted for Ostapenko 6-3 6-2 as she extended her winning streak at the Miami Open to eight matches.
Barty, who tallied nine winners to 14 unforced errors, rallied from 2-0 down in the second set by reeling off six successive games to advance.
"Today felt like I was a lot sharper and switched on and ready to go from the very first point," Barty said afterwards.
Three-time Miami champion Azarenka trumped Angelique Kerber 7-5 6-2 in the third round.
Azarenka – the 14th seed – fought back from a 4-1 deficit in the opening set to get the better of the three-time major winner.
"She's a very talented player. I always have been a huge fan of her game and the way she plays, the way she handles herself. She has a lot of variety," Azarenka said on facing Barty. "She has pretty much every single shot there is. [It's] going to be a great match."
INJURED HALEP PULLS OUT
Two-time grand slam champion Halep withdrew due to a shoulder injury as Anastasija Sevastova benefited from a walkover.
"I'm very sorry to I have to pull out of the singles and doubles at the Miami Open, but my injury doesn't let me play here as expected," said Halep.
"I'm sad that I can't continue, I wanted to come here to give my best and play many matches but unfortunately I can't.
"Hopefully next year I will come back healthy and better."
Next up for Sevastova is wildcard Ana Konjuh, who stunned 15th seed and reigning French Open champion Iga Swiatek 6-4 2-6 6-2.
SVITOLINA AND SABALENKA ROLL ON
Ukrainian fifth seed Elina Svitolina booked her spot in the round of 16 after overcoming fellow seed Ekaterina Alexandrova 7-6 (7-1) 6-4.
Two-time Wimbledon winner Petra Kvitova stands in the way of a quarter-final berth – the ninth seed was too good for 17th seed Johanna Konta 6-1 6-2.
Seventh seed Aryna Sabalenka, meanwhile, prevailed 7-6 (7-4) 6-4 against Veronika Kudermetova.
Belinda Bencic – the 11th seed – was sent packing 4-6 6-4 6-4 by Marketa Vondrousova, who will take on Sabalenka.
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.
Paolini and Bronzetti seal fifth Billie Jean King Cup for Italy
Victories for Jasmine Paolini and Lucia Bronzetti handed Italy their fifth Billie Jean King Cup title as they overcame Slovakia in Wednesday's final in Malaga.
Italy, who were beaten in last year's final by Canada, overcame Poland in the semi-finals on Monday as Paolini partnered Sara Errani for a decisive doubles win over world number two Iga Swiatek and Katarzyna Kawa.
The showpiece contest began with Bronzetti triumphing 6-2 6-4 against Viktoria Hruncakova, before Paolini took to the court to face Rebecca Sramkova.
The world number four – who won doubles gold at the Paris Olympics in August to cap her breakout year – eased past Sramkova by a 6-2 6-1 scoreline to ensure a doubles match was not required.
Speaking after Italy claimed the trophy for the first time since 2011, Bronzetti heaped praise upon her team-mate and revealed she had struggled to sleep before playing in front of 12-time grand slam champion King.
"Jasmine raised her level really high this year. She's an example for all of us," Bronzetti said.
Asked about King's presence in the crowd, Bronzetti added: "She is a great person, a great legend. I didn't sleep very well.
"You're not playing just for yourself. You're playing for your team and your country. We all want this trophy, and it is our dream, all Italians."
Data Debrief: Five-star Italy
Italy have claimed their fifth Billie Jean King Cup, having previously triumphed in 2006, 2009, 2010 and 2013.
Only the United States (18), Czechoslovakia/Czechia (11) and Australia (seven) have won more. Spain and Russia (also including the USSR and Russian Tennis Federation) have also tasted success five times.
Germany set up Netherlands semi-final showdown at Davis Cup
Germany booked their place in the Davis Cup semi-finals after wrapping up a 2-0 victory over Canada in Malaga.
Daniel Altmaier and Jan-Lennard Struff were both victorious over Gabriel Diallo and Denis Shapovalov respectively, to set up a last-four clash with the Netherlands.
Germany were beaten 2-1 by Canada when the nations met at this stage of the 2022 Davis Cup, but they drew first blood when Altmaier came through a hard-fought clash with Diallo 7-6 (7-5) 6-4.
It looked like the tie would go to a doubles decider when former Wimbledon semi-finalist Shapovalov took the opening set against Struff.
But the world number 43 bounced back to prevail 4-6 7-5 7-6 (7-5) after two hours and seven minutes.
"Denis was playing amazingly, coming out firing," Struff said. "It was a very tough match. He was serving so well. It was tough to return. The court is very fast. An incredible match. I'm just happy to get over the line at the end."
On Friday's semi-final with the Dutch, he added: "It's a big step for us to go from the quarters to the semis. For sure, we want to win and go to the final now.
"Netherlands played an amazing match yesterday, beating Spain here in front of a home crowd. We expect a very tough opponent."
Data Debrief: Germany through as errors cost Canada
The two tie-breaks proved pivotal as the Germans secured only their second Davis Cup semi-final appearance since 2008 (also reaching that stage in 2021).
Though both sets were tight during the first match, Diallo hit 40 unforced errors to Altmaier's 17, and was 6-1 for double faults.
Similarly, in the second rubber, though Shapovalov was 27-8 for aces, 13 double faults to just four from Struff proved costly.
Altmaier and Struff's reward is a first meeting with the Netherlands since the 2001 quarter-finals, which the Dutch won 4-1.
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