2017 U.S. Men's Clay Court Championships – Singles

Juan Mónaco was the defending champion, but lost in the first round to Dustin Brown.

Steve Johnson won the title, defeating Thomaz Bellucci in the final, 6–4, 4–6, 7–6(7–5).

Seeds
The top four seeds receive a bye into the second round. • #🇺🇸 Jack Sock (semifinals)

• #🇺🇸 John Isner (quarterfinals)

• #🇺🇸 Sam Querrey (quarterfinals)

• #🇺🇸 Steve Johnson (champion)

• #🇪🇸 Fernando Verdasco (quarterfinals)

• #🇪🇸 Feliciano López (quarterfinals)

• #🇺🇸 Donald Young (first round)

• #🇧🇷 Thomaz Bellucci (final)

Seeds
• # 🇦🇷 Renzo Olivo (first round, retired)

• # 🇦🇷 Guido Andreozzi (first round)

• # 🇨🇦 Peter Polansky (first round)

• # 🇺🇸 Denis Kudla (qualifying competition)

• # 🇦🇷 Leonardo Mayer (qualified)

• # 🇪🇸 Rubén Ramírez Hidalgo (first round)

• # 🇦🇷 Máximo González (qualified)

• # 🇺🇸 Tennys Sandgren (qualified)

Qualifiers
• # 🇺🇸 Noah Rubin

• # 🇦🇷 Máximo González

• # 🇺🇸 Tennys Sandgren

• # 🇦🇷 Leonardo Mayer