Sam Querrey defeated Thanasi Kokkinakis in the final, 6–3, 3–6, 6–2 to win the singles tennis title at the 2017 Los Cabos Open. It was his ninth ATP Tour singles title.

Ivo Karlović was the defending champion, but lost in the first round to Quentin Halys.

Seeds The top four seeds receive a bye into the second round.

Draw

Finals

Top half

Bottom half

Qualifying

Seeds

Qualifiers

Lucky loser Brydan Klein

First qualifier

Second qualifier

Third qualifier

Fourth qualifier

External links Main draw Qualifying draw