2018 Jalisco Open

The 2018 Jalisco Open was a professional tennis tournament played on hard courts. It was the eighth edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Guadalajara, Mexico between 16 and 22 April 2018.

Seeds

 * 1 Rankings as of April 9, 2018.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇲🇽 Tigre Hank
 * 🇲🇽 Gerardo López Villaseñor
 * 🇲🇽 Luis Patiño
 * 🇲🇽 Manuel Sánchez

The following players received entry into the singles main draw as alternates:
 * 🇩🇴 José Hernández-Fernández
 * Ante Pavić

The following players received entry from the qualifying draw:
 * 🇪🇨 Gonzalo Escobar
 * 🇮🇹 Federico Gaio
 * 🇧🇷 João Souza
 * 🇬🇧 James Ward

Singles

 * Marcelo Arévalo def. 🇺🇸 Christopher Eubanks 6–4, 5–7, 7–6(7–4).

Doubles

 * Marcelo Arévalo / 🇲🇽 Miguel Ángel Reyes-Varela def. 🇬🇧 Brydan Klein / Ruan Roelofse 7–6(7–3), 7–5.