2017 Delray Beach Open – Singles

Sam Querrey was the defending champion, but lost in the quarterfinals to Juan Martín del Potro.

Jack Sock won the title after Milos Raonic withdrew from the final due to a hamstring injury.

Seeds
• #🇨🇦 Milos Raonic (final, withdrew because of a hamstring injury)

• # Ivo Karlović (first round)

• #🇺🇸 Jack Sock (champion)

• #🇺🇸 Sam Querrey (quarterfinals)

• #🇺🇸 Steve Johnson (quarterfinals)

• #🇦🇺 Bernard Tomic (first round)

• #🇦🇷 Juan Martín del Potro (semifinals)

• #🇬🇧 Kyle Edmund (quarterfinals)

Seeds
• # 🇧🇪 Steve Darcis (qualified)

• # 🇰🇷 Chung Hyeon (qualifying competition)

• # 🇨🇦 Vasek Pospisil (qualifying competition)

• # 🇩🇪 Tobias Kamke (first round)

• # 🇺🇸 Rajeev Ram (first round)

• # 🇨🇦 Peter Polansky (first round)

• # 🇩🇪 Benjamin Becker (qualifying competition)

• # Darian King (qualifying competition)

Qualifiers
• # 🇧🇪 Steve Darcis

• # 🇧🇪 Kimmer Coppejans

• # 🇺🇸 Tim Smyczek

• # 🇯🇵 Akira Santillan