Germany's Alexander Zverev, the fourth seed, defeated 15th seed Karen Kachanova of Russia 6-1, 6-4 to reach the last eight at the Miami Masters on Tuesday night at Hard Rock Stadium.
The German did not face a single break point against her serve in the one-hour, nine-minute encounter.
The 5th-ranked Zverev next plays Hungarian Fabian Marosan. It was the German's 27th quarter-final appearance at the ATP Masters 1000 level and his fourth at the Miami Open.
It marks the first time the 26-year-old has reached the last eight at both the Sunshine Double – Indian Wells and Miami events.
Earlier this week, the German had wins over Canada's Felix Auger-Aliassime (6-2, 6-4) and 31st-ranked American Christopher Eubanks (7-6 (4), 6-3).
In earlier rounds of the tournament, 16th-ranked Kachanov defeated Serbian Laszlo Djer (6-2, 6-4) and 20th-seeded Francisco Cerundolo of Argentina (6-1, 5-7, 7-6). (5)).
With that, the men's singles quarter-final line-up in Miami is set:
- [1] Carlos Algaraz Vs [11] Grigor Dimitrov
- [4] Alexander Zverev vs. Fabian Marozan
- [3] Daniel Medvedev v [22] Nicholas Jarry
- [2] Janic Sinner v Thomas Machak
Miami Masters 1000, Other Round of 16 Results (Hard Rock Stadium, Hart, USD 10,404,205):
- Fabian Marosan beat Alex de Minaur (9): 6-4, 0-6, 6-1
- Carlos Algaraz (1) beat Lorenzo Musetti (23): 6-3, 6-3
- Grigor Dimitrov (11) defeated Hubert Hurcox (8): 3-6, 6-3, 7-6 (3)
- Janic Sinner (2) beat Christopher O'Connell 6-4, 6-3
- Nicolas Jarry (22) vs Casper Ruud (7): 7-6 (3), 6-3
- Daniil Medvedev (3) defeated Dominic Koper: 7-6 (5), 6-0
- Thomas Machak beat Matteo Arnoldi 6-3, 6-3
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