Aliaksandra Sasnovich eliminated a Grand Slam champion for the second straight match to reach the fourth round at the French Open.
The 47th-ranked Belarusian beat three-time major champion Angelique Kerber 6-4, 7-6 (5) at Court Simonne Mathieu.
Sasnovich had defeated reigning U.S. Open champion Emma Raducanu in the second round.
She next faces Italian player Martina Trevisan, whose best result at a Grand Slam was the quarterfinals at Roland Garros two years ago.