See main article: 2020 Delray Beach Open.
Radu Albot was the defending champion,[1] 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.