2020 Delray Beach Open – Singles

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
• #🇦🇺 Nick Kyrgios (withdrew)

• #🇨🇦 Milos Raonic (semifinals)

• #🇺🇸 Taylor Fritz (first round)

• #🇺🇸 Reilly Opelka (champion)

• #🇦🇺 John Millman (first round)

• #🇫🇷 Ugo Humbert (semifinals)

• #🇫🇷 Adrian Mannarino (first round)

• #🇲🇩 Radu Albot (first round)

Seeds
• # 🇬🇧 Cameron Norrie (qualified)

• # 🇯🇵 Taro Daniel (withdrew)

• # 🇮🇹 Paolo Lorenzi (first round)

• # 🇦🇺 Alex Bolt (first round)

• # 🇨🇴 Daniel Elahi Galán (first round, lucky loser)

• # 🇪🇨 Emilio Gómez (qualified)

• # 🇷🇸 Danilo Petrović (first round)

• # 🇺🇿 Denis Istomin (qualifying competition, lucky loser)

Qualifiers
• # 🇬🇧 Cameron Norrie

• # Ernests Gulbis

• # 🇺🇸 Noah Rubin

• # 🇪🇨 Emilio Gómez

Lucky losers
• # 🇦🇺 Bernard Tomic

• # 🇺🇿 Denis Istomin

• # 🇺🇸 Stefan Kozlov

• # 🇨🇴 Daniel Elahi Galán