Number five seed Angelique Kerber has eased through to the fourth round of the Miami Masters thanks to a comfortable 6-0 6-2 win over Tsvetana Pironkova.
The 26-year-old dominated from the off and she broke the Bulgarian three times in the first set to take it 6-0.
Kerber continued to overpower Pironkova with her groundstrokes and she eased to a 6-2 win to take the match in straight sets.
The number five seed will face the winner of the match between Sara Errani and Ekaterina Makarova in the fourth round of the tournament.
