Six-time champion Serena Williams eased past fellow American Nicole Gibbs to reach the fourth round of the Australian Open in Melbourne.
The world number two, chasing a 23rd Grand Slam singles title, won 6-1 6-3 in 63 minutes on Rod Laver Arena.
Williams, 35, goes on to face Czech 16th seed Barbora Strycova, who beat France's Caroline Garcia 6-2 7-5.
"She's human, and she is beatable," Strycova said of facing Williams in the last 16.
"This is a Grand Slam, and we are talking that she already won, but I don't like these talks.