Seven-time champion Serena Williams comfortably beat 18-year-old Ukrainian Dayana Yastremska to reach the fourth round of the Australian Open.
Williams won 6-2 6-1 in one hour and seven minutes and did not drop a service game on Rod Laver Arena.
The 37-year-old dominated throughout but was pushed more in the second set when the teenager raised her level.
The American will face Romanian world number one Simona Halep or sister Venus Williams in the fourth round.
More to follow.