Australian Open: Iga Swiatek is in total control during a 6-1, 6-0 rout of Emma Raducanu

MELBOURNE, Australia (AP) — Everything came so easily for Iga Swiatek during a 6-1, 6-0 victory over Emma Raducanu on Saturday in the only Australian Open women's third-round match between two past Grand Slam champions — if you thought that meant it would be close, you'd have been rather wrong — that this was how she described it:

“I felt like the ball,” Swiatek said, “is listening to me.”

Loud and clear. Asked to explain that sensation, Swiatek put her two index fingers a few inches apart and said, “It’s just being able to aim for this kind of space.” Then she spread her palms more than a foot apart to show that's the margin for error on other days.

The difference, she said, comes down to “being more precise and actually knowing where the ball is going to go, seeing the effects that you want it to.”

When the five-time major champion and former long-time No. 1-ranked woman — now No. 2, behind Aryna Sabalenka — is at the height of her powers, as she sure has seemed to be in Week 1 at Melbourne Park, it is hard for anyone to slow Swiatek down.

The heavy-spinning, high-bouncing forehands. The squeaky-sneaker scrambling to get to every shot. The terrific returning. And so on.

Later Saturday, No. 4 Taylor Fritz, the runner-up at last year's U.S. Open, became the highest-seeded man to leave the bracket, defeated by 38-year-old Gael Monfils 3-6, 7-5, 7-6 (1), 6-4. Monfils joined Roger Federer as the only men 38 or older to get to the fourth round in Melbourne since the field expanded to 128 players in 1988.

At the other end of the age spectrum, a pair of young Californians who have been pals for a while and trained together in the offseason — Learner Tien, 19, and Alex Michelsen, 20 — earned debuts in the fourth round at a major. Ben Shelton, who is 22, won, too. No. 1 Jannik Sinner, however, eliminated American Marcos Giron 6-3, 6-4, 6-2 and will next face No. 13 Holger Rune, who beat Miomir Kecmanovic 6-7 (5), 6-3, 4-6, 6-4, 6-4.

Tien, a qualifier ranked 121st, followed up his surprising win against No. 5 Daniil Medvedev in a five-setter that ended at 3 a.m. on Friday with a 7-6 (10), 6-3, 6-3 victory over Corentin Moutet of France. Michelsen, who is ranked 42nd, overwhelmed No. 19 seed Karen Khachanov of Russia 6-3, 7-6 (5), 6-2. It was the second time Michelsen knocked off a top-20 seed this week after beating No. 11 Stefanos Tsitsipas, the 2023 Australian Open runner-up, in the first round.

Shelton, the 21st seed and a U.S. Open semifinalist in 2023, defeated No. 16 Lorenzo Musetti of Italy 6-3, 3-6, 6-4, 7-6 (5) and will take on Monfils on Monday.

Michelsen will try to send another high seed packing when he plays No. 8 Alex de Minaur, an Australian who beat No. 31 Francisco Cerúndolo 5-7, 7-6 (3), 6-3, 6-3. Tien faces 55th-ranked Lorenzo Sonego of Italy, a 6-7 (3), 7-6 (6), 6-1, 6-2 winner over Fabian Marozsan.

Against Raducanu, who won the 2021 U.S. Open as a teenage qualifier, Swiatek played at a level she called “perfect.”

Indeed, Swiatek mounted a 24-9 edge in winners, made only 12 unforced errors — roughly half of Raducanu's 22 — and claimed 59 points to 29. That caused one spectator to yell out, “No mercy!” in the second set as Swiatek was reeling off the last 11 games after the match was tied at 1-all early with not a cloud in the sky and the temperature approaching 80 degrees Fahrenheit (above 25 Celsius).

“I think it was a little bit of her playing well, and me not playing so well,” Raducanu said. “That combination is probably not good.”

Fair.

Swiatek, who agreed to accept a one-month suspension in a doping case late last year, owns four trophies from the French Open and one from the U.S. Open. But she's never been beyond the semifinals in Australia; she lost in that round to Danielle Collins in 2022.

A year ago, Swiatek was upset in the third round by teenager Linda Noskova.

Swiatek, who said she dedicated Saturday's win to her grandfather, has ceded a total of only 10 games through three matches with new coach Wim Fissette sitting courtside. Next up will be 128th-ranked Eva Lys of Germany, who lost in qualifying but was given a spot in the main draw when someone withdrew about 10 minutes before her first-round match.

Lys defeated Jaqueline Cristian 4-6, 6-3, 6-3 and is the first “lucky loser” to get to the Australian Open's fourth round since the tournament moved to Melbourne Park in 1988.

Others who now will get a chance to play for a quarterfinal berth after victories Saturday included No. 6 Elena Rybakina, No. 8 Emma Navarro and No. 9 Daria Kasatkina. Rybakina, the 2022 Wimbledon champion, beat No. 32 Dayana Yastremska 6-3, 6-4, Navarro eliminated three-time major finalist Ons Jabeur 6-4, 3-6, 6-4, and Kasatkina got past No. 24 Yulia Putintseva 7-5, 6-1. Unseeded Veronika Kudermetova beat No. 15 Beatriz Haddad Maia 6-4, 6-2.

No. 4 Jasmine Paolini, who is a two-time Slam finalist, was eliminated by No. 28 Elina Svitolina 2-6, 6-4, 6-0.

Danielle Collins was booed both before and after her 6-4, 6-4 loss to No. 19 Madison Keys. In the previous round, the 10th-seeded Collins had a back-and-forth with the crowd. Collins received treatment on her left knee in the second set.

Navarro, who reached her first major semifinal at Flushing Meadows in September, has won all three of her matches in Melbourne this year in three sets. That means she has been involved in 30 tour-level three-setters since the start of last season, the most of any female player.

“I love three sets. I love tennis so much, I can't resist,” joked Navarro, who grew up in South Carolina and won an NCAA singles title at the University of Virginia. “I just wanted to stick in there and keep believing in myself.”

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Howard Fendrich has been the AP's tennis writer since 2002. Find his stories here: https://apnews.com/author/howard-fendrich. More AP tennis: https://apnews.com/hub/tennis