Top seed Ashleigh Barty continues to roll through the field as she defeated unseeded American Amanda Anisimova 6-4, 6-3 on Rod Laver Arena in the fourth round of the 2022 Australian Open.

Although she was broken for the first time on the season, the world number one showed no signs of slowing down, firing seven aces and hitting 23 winners.

The Aussie applied early pressure and eventually broke through midway through the first set to get herself in front.

Anisimova, who lost her first match of the 2022 season after winning the title at Melbourne Summer Set 2, broke in the second set, but Barty broke back and coasted to the finish.

World number one eases into quarterfinals against resurgent Anisimova

Anismiova was put under immediate pressure, facing a break point in the opening game of the match, but a big serve and forehand got her out of trouble, leading to a hold.

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The American did generate her own break opportunity, but a backhand error helped get Barty out of trouble. The Aussie squandered two break chances, handing Anisimova a 3-2 lead.

Finally, Barty did break, converting on her third break chance as the world number 66 sent a forehand long to go in front 4-3. An ace brought up three set points and on the first, she cleaned up with a forehand.

Anisimova responded by breaking early in the second set, imposing her powerful game with a forehand that put her in front 2-0, Barty's streak of 63 straight games with a hold coming to an end.

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The world number one broke back and the two traded holds until Barty finished with a rush, winning the last three games of the match, breaking twice and a forehand long by Anisimova clinched another impressive victory for the overwhelming tournament favorite.