Coco Gauff held firm against a streaky Dayana Yastremska to secure her place in the French Open fourth round.
Third seed Gauff, runner-up at Roland Garros in 2022, won 6-2 6-4 against the Ukrainian.
Gauff had a double break lead in the second set and served for the match at 5-2 up before 30th seed Yastremska rescued a break.
American Gauff had to then save a further two break points in her next service game before pushing through to secure victory.
Gauff is bidding for a second major singles title after triumphing at last year’s US Open.
“It’s important to expect great things from yourself but I’m 20 and I’m hoping to be playing for another 10 years or so,” Gauff said.
“Going into the Australian Open I was more nervous in the first couple of rounds, but now it’s one match at a time.”
Gauff will face Elisabetta Cocciaretto next after the Italian, ranked 51st in the world, beat Russian 17th seed Liudmila Samsonova 7-6 (7-4) 6-2 to reach the fourth round of a major for the first time.
