Radu Albot was the defending champion, but lost in the first round to Jack Sock. Reilly Opelka won the title, defeating Yoshihito Nishioka in the final, 7–5, 6–7^(4–7), 6–2. Opelka saved a match point against Milos Raonic in the semifinals.

Seeds

Draw

Finals

Top half

Bottom half

Qualifying

Seeds

Qualifiers

Lucky losers

Qualifying draw

First qualifier

Second qualifier

Third qualifier

Fourth qualifier

References

External links

Main draw

Qualifying draw
{{DEFAULTSORT:2020 Delray Beach Open - Singles Delray Beach Open - Singles 2020 Singles Delray Beach Open - Singles Delray Beach Open - Singles