2017 Las Vegas Challenger – Singles

Sam Groth was the defending champion but retired in the second round against Jan Choinski.

Stefan Kozlov won the title after defeating Liam Broady 3–6, 7–5, 6–4 in the final.

Seeds
• # 🇺🇸 Tennys Sandgren (semifinals)

• # 🇬🇧 Cameron Norrie (second round)

• # 🇺🇸 Bjorn Fratangelo (first round)

• # 🇺🇸 Stefan Kozlov (champion)

• # 🇷🇸 Nikola Milojević (first round)

• # 🇺🇸 Michael Mmoh (second round)

• # 🇦🇺 Sam Groth (second round, retired)

• # 🇺🇸 Reilly Opelka (quarterfinals)