Russian Daniil Medvedev, the No 3 seed, advanced to the last 16 of the Miami Masters by beating No 30 seed Cameron Norrie 7-5, 6-1 at the Hard Rock Stadium on Sunday night.
Medvedev, ranked No 4, will play the winner of the match between Frenchman Ugo Humbert, the No 14 seed, and German Dominik Koepfer next.
The Russian won against Hungarian Marton Fucsovics (6-4, 6-2) ahead of his victory.
In the previous round of the Miami Open, Norrie, ranked No 31, defeated Italian Flavio Cobolli (7-5, 6-7 (4), 6-2).
Miami Masters 1000, other third-round results (Hard Rock Stadium, hard, USD 10.404.205, most recent results first):
- Carlos Alcaraz vs. Gael Monfils
- Lorenzo Musetti vs. Ben Shelton
- Grigor Dimitrov vs. Yannick Hanfmann
- Sebastian Korda vs. Hubert Hurkacz
- Alex De Minaur vs. Jan-Lennard Struff
- Alexander Zverev vs. Christopher Eubanks
- Alexei Popyrin vs. Fabian Marozsan
- Francisco Cerundolo vs. Karen Khachanov
- Ugo Humbert vs. Dominik Koepfer: monday
- Casper Ruud (7) beat Alejandro Davidovich Fokina (27): 6-3, 6-4
- Nicolas Jarry (22) beat Thiago Seyboth Wild (Q): 6-7 (1), 7-5, 6-3
- Christopher O’Connell beat Martin Damm (WC): 7-6 (5), 7-6 (5)
- Matteo Arnaldi beat Denis Shapovalov: 6-3, 7-6 (7)
- Tomas Machac beat Andy Murray: 5-7, 7-5, 7-6 (5)
- Jannik Sinner (2) beat Tallon Griekspoor (25): 5-7, 7-5, 6-1
