2021 Atlanta Open
The 2021 Atlanta Open is a professional tennis tournament to be played on hard courts. It is the 33rd edition of the tournament, and part of the 2021 ATP Tour. It take place at Atlantic Station in Atlanta, United States between July 24 and August 1, 2021. The tournament is hosted in the same week as the 2020 Summer Olympics.
Finals
Singles
- John Isner defeated Brandon Nakashima 7–6, 7–5
Doubles
- Reilly Opelka / Jannik Sinner defeated Steve Johnson / Jordan Thompson 6–4, 6–7, .
Singles main-draw entrants
Seeds
1 Rankings are as of July 19, 2021.Other entrants
The following players received wildcards into the main draw:The following player received entry using a protected ranking:
The following player received entry as special exempt:
The following players received entry from the qualifying draw:
Withdrawals
;Before the tournament- Grigor Dimitrov → replaced by Yasutaka Uchiyama
- Egor Gerasimov → replaced by Mackenzie McDonald
- Sebastian Korda → replaced by Denis Kudla
- Adrian Mannarino → replaced by Ričardas Berankis
- Tommy Paul → replaced by Andreas Seppi
- Guido Pella → replaced by Kevin Anderson