US Open 2021 - Day 6 Men’s Singles 3R

US Open 2021 - Day Six Men’s Singles third round 

US Open - a Grand Slam tournament, on Hard, in New York City, New York, USA, 30 August - 12 September 2021.

2020 champion (not defending):

Dominic Thiem (2) who defeated Alexander Zverev (5) 2-6 4-6 6-4 6-3 7-6(6)

Third round results:

- Novak Djokovic (1) defeated Kei Nishikori 6-7(4) 6-3 6-3 6-2

- Wildcard Jenson Brooksby defeated Aslan Karatsev (21) 6-2 3-6 2-6 6-3 6-3

- Qualifier Oscar Otte defeated Andreas Seppi 6-3 6-4 2-6 7-5

- Matteo Berrettini (6) defeated Ilya Ivashka 6-7(5) 6-2 6-4 2-6 6-3

- Alexander Zverev (4) defeated wildcard Jack Sock 3-6 6-2 6-3 2-1 (retired)

- Jannik Sinner (13) defeated Gaël Monfils (17) 7-6(1) 6-2 4-6 4-6 6-4

- Reilly Opelka (22) defeated Nikoloz Basilashvili 7-6(5) 6-3 6-4

- Lloyd Harris v Denis Shapovalov (7)

Round of sixteen match ups 

Novak Djokovic (1) v wildcard Jenson Brooksby

Qualifier Oscar Otte v Matteo Berrettini (6)

Alexander Zverev (4) v Jannik Sinner (13)

Reilly Opelka (22) v Lloyd Harris 

Frances Tiafoe v Felix Auger-Aliassime (12)

Qualifier Peter Gojowczyk v Carlos Alcaraz

Qualifier Botic van de Zandschulp v Diego Schwartzman (11)

Daniel Evans (24) v Daniil Medvedev (2)