British number one Kyle Edmund was unable to get the better of Roger Federer at Indian Wells.
Federer, a 20-time Grand Slam champion, eased through 6-1 6-4 in just over an hour to make it into the quarter-finals in California.
World number four Federer, who has yet to drop a set at the tournament, saved all seven break points that he faced and won 79% of first serve points.
Second seed Rafael Nadal also reached the last eight with a straightforward 6-3 6-4 victory over Filip Krajinovic.