John Isner was the two-time defending champion and had won the title five times in the last six years, but he lost in the second round to Reilly Opelka. This was only the second time out of ten in the Atlanta Open's history that Isner failed to reach the singles final.
Alex de Minaur won the title, defeating Taylor Fritz in the final, 6–3, 7–6(7–2).
Seeds The top four seeds received a bye into the second round.
Draw
Finals
Top half
Bottom half
Qualifying
Seeds
Qualifiers
Qualifying draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
References
External links Main draw Qualifying draw