2019 Los Cabos Open

The 2019 Los Cabos Open (also known as the Abierto Mexicano de Tenis Mifel presentado por Cinemex for sponsorship reasons) was an ATP tennis tournament played on outdoor hard courts. It was the 4th edition of the tournament, and part of the ATP Tour 250 series of the 2019 ATP Tour. It took place in Los Cabos, Mexico from July 29 through August 4, 2019.

Seeds

 * Rankings are as of July 22, 2019.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇲🇽 Lucas Gómez
 * 🇦🇺 Thanasi Kokkinakis
 * 🇦🇷 Guido Pella

The following players received entry using a protected ranking into the singles main draw:
 * 🇩🇪 Cedrik-Marcel Stebe
 * 🇷🇸 Janko Tipsarević

The following players received entry from the qualifying draw:
 * 🇩🇪 Dominik Köpfer
 * 🇰🇷 Kwon Soon-woo
 * 🇫🇷 Maxime Janvier
 * Jason Jung

Withdrawals

 * Before the tournament
 * 🇦🇷 Juan Martín del Potro → replaced by 🇫🇷 Grégoire Barrère

Seeds

 * Rankings are as of July 22, 2019.

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇲🇽 Hans Hach Verdugo / 🇺🇸 Dennis Novikov
 * 🇲🇽 Gerardo López Villaseñor / 🇬🇧 Cameron Norrie

Singles

 * 🇦🇷 Diego Schwartzman def. 🇺🇸 Taylor Fritz, 7–6(8–6), 6–3

Doubles

 * Romain Arneodo / Hugo Nys def. 🇬🇧 Dominic Inglot / 🇺🇸 Austin Krajicek, 7–5, 5–7, [16–14]