Former champion Roger Federer became the oldest person to reach the last 16 of a Grand Slam since 1991 with victory against Norwegian Casper Ruud.
The 37-year-old, who is the first player in history to play 400 Grand Slam matches, beat his 20-year-old opponent 6-3 6-1 7-6 (10-8).
Federer, playing his first French Open since 2015, has yet to drop a set.
The third seed will face either France's Nicolas Mahut or Argentina's Leonardo Mayer in the fourth round.
Federer has now reached the French Open fourth round 14 times - more than any other player in history.