The 30-year-old Pole beat former World No.1 and currently No.14 seed Victoria Azarenka 7-6(3), 2-6, 6-4 on Saturday.
In the Round of 16, Linette will face World No.3 Jessica Pegula for the first time.
Meanwhile, World No. 9 Hubert Hurkecz, deafeated Australian Thanasi Kokkinakis, winning a three hour and 31-minute match 6-7 (10), 7-6 (7), 7-6 (6) on Saturday.
In the Round of 32, the 26-year-old Pole will square off against France’s Adrian Mannarino.
The 2023 Miami Open runs until April 2.
Poland's world No. 1 Iga Świątek, last year's Miami Open champion, has withdrawn from the tournament due to a rib injury.
(ał)
Source: PAP