Coco Gauff has secured her place in the Australian Open quarter-finals for the third successive year following a hard-fought triumph over Karolina Muchova on Sunday.
The American third seed prevailed 6-1, 3-6, 6-3 against the Czech 19th seed at Margaret Court Arena in a contest lasting just under two hours.
This victory extends Gauff’s unblemished record against Muchova to five consecutive wins.
The 21-year-old, who claimed the US Open crown in 2023 and the French Open title last year, continues her pursuit of a maiden Melbourne championship.
Coco Gauff survived another Australian Open scare before landing victory
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Remarkably, Muchova had never previously taken a set from the American in their encounters.
Gauff made a blistering start to proceedings, racing to a 5-0 advantage in merely 20 minutes.
The opening set was wrapped up in half an hour, with Muchova managing to avoid a bagel only by holding serve at 1-5.
The Czech struggled mightily on her first serve, winning just 33 per cent of those points in the opener.
However, the second set brought a dramatic reversal of fortunes.
Muchova broke the American’s serve twice to establish a commanding 4-1 lead as Gauff’s serving difficulties resurfaced.
Coco Gauff lost the second set to Karolina Muchova but went on to land a fifth consecutive win over her in the end
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The 19th seed then served out the set to love, claiming her first-ever set against Gauff.
In the decider, Gauff secured the crucial break in the third game and built a 4-1 cushion before eventually converting on her fourth match point.
The result carries particular significance given a remarkable pattern in Gauff’s career.
Every tournament in which she has defeated Muchova has ended with the American lifting the trophy.
This auspicious trend includes her breakthrough US Open triumph in 2023, where she beat the Czech in the semi-finals.
The Cincinnati Masters that same year and the China Open in 2024 followed the same pattern.
Most recently, Gauff’s victory over Muchova at the United Cup earlier this month preceded another title.
Call her a math professor ’cause Coco can find them angles all day long 👌@wwos • @espn • @tntsports • @wowowtennis • #AO26 pic.twitter.com/hhh1GpUs2y
— #AusOpen (@AustralianOpen) January 25, 2026
“Every time I play her, even though it’s been good, it’s never been easy,” Gauff told TNT Sports.
Gauff reflected on her composed approach during the contest’s pivotal moments.
“I think today I didn’t panic. I felt like the second set could have easily went my way,” she said. “So I knew I just had to capitalise on those chances in the third set and I did that.”
The American praised her opponent’s unpredictable style: “She plays with so much variety. You never know what you’re going to do.”
Coco Gauff will now face Ukrainian 12th seed Elina Svitolina in the last eight
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Gauff will now face Ukrainian 12th seed Elina Svitolina in the last eight as she bids to reach her first Melbourne final.
The two-time Grand Slam champion has previously fallen at the semi-final and quarter-final stages at Melbourne Park.
