2019 Los Cabos Open – Singles

Fabio Fognini was the defending champion, but lost in the quarterfinals to Taylor Fritz.

Diego Schwartzman won the title, defeating Fritz in the final, 7–6(8–6), 6–3.

Seeds
The top four seeds received a bye into the second round. • #🇮🇹 Fabio Fognini (quarterfinals)

• #🇦🇷 Guido Pella (semifinals)

• #🇦🇷 Diego Schwartzman (champion)

• #🇫🇷 Lucas Pouille (second round)

• #🇺🇸 Taylor Fritz (final)

• # Cristian Garín (first round)

• #🇲🇩 Radu Albot (semifinals)

• #🇰🇿 Mikhail Kukushkin (quarterfinals)

Seeds
• # 🇰🇷 Kwon Soon-woo (qualified)

• # 🇩🇪 Dominik Köpfer (qualified)

• # 🇧🇾 Egor Gerasimov (qualifying competition)

• # Jason Jung (qualified)

• # 🇺🇸 Marcos Giron (first round)

• # 🇺🇦 Sergiy Stakhovsky (first round)

• # 🇫🇷 Maxime Janvier (qualified)

• # 🇸🇰 Lukáš Lacko (first round)

Qualifiers
• # 🇰🇷 Kwon Soon-woo

• # 🇩🇪 Dominik Köpfer

• # 🇫🇷 Maxime Janvier

• # Jason Jung