World number one Iga Swiatek overcame a slow start to defeat Czech teenager Linda Noskova in straight sets and reach the fourth round at Indian Wells.
The Polish 22-year-old, a four-time major winner, trailed 4-2 in the first set and faced three break points in a pivotal seventh game.
But she won 10 successive games from that point to earn a 6-4 6-0 victory.
Swiatek, who lost to Noskova at the Australian Open, will play Kazakhstan’s Yulia Putintseva in the last 16.
The 19-year-old Noskova, who came back from a set down to stun Swiatek in the Australian Open third round in January, looked in firm control as she led 15-40 on her opponent’s serve when already 4-2 ahead in the opening set.
But Swiatek responded in devastating fashion and, after battling back to take the first set, took just 28 minutes to settle the second.
In WTA history, Swiatek is responsible for 11% of all sets won 6-0 in WTA 1,000 tournaments – with this the 22nd occasion she has achieved that.
Upcoming opponent Putintseva, ranked 79th, knocked out American 18th seed Madison Keys in straight sets, winning 6-4 6-1.
Italian 13th seed Jasmine Paolini beat Russian 25th seed Anna Kalinskaya 6-3 3-6 6-4.
Later on Sunday, Germany’s Angelique Kerber plays Russian Veronika Kudermetova, with the winner set to face Denmark’s Caroline Wozniacki or American Katie Volynets.
