Point distribution

Prize money

Seeds

Country	Player	Rank1	Seed
ESP	Pablo Carreño Busta	10	1
ESP	Albert Ramos Viñolas	21	2
FRA	Gaël Monfils	44	3
ITA	Paolo Lorenzi	46	4
ARG	Horacio Zeballos	66	5
DOM	Víctor Estrella Burgos	86	6
CRO	Ivo Karlović	90	7
CHI	Nicolás Jarry	95	8

• ¹ Rankings are as of January 29, 2018.^[3]

Other entrants

The following players received wildcards into the singles main draw:

• Corentin Moutet
• Roberto Quiroz
• Tommy Robredo

The following players received entry using a protected ranking:

• Pablo Andújar

The following players received entry from the qualifying draw:

• Facundo Bagnis
• Roberto Carballés Baena
• Federico Gaio
• Andrej Martin

The following player received entry as a lucky loser:

• Alessandro Giannessi

Withdrawals

Before the tournament

• Alexandr Dolgopolov → replaced by Casper Ruud
• Nicolás Kicker → replaced by Peter Polansky
• Tommy Robredo → replaced by Alessandro Giannessi
• Tennys Sandgren → replaced by Stefano Travaglia

Seeds

Country	Player	Country	Player	Rank1	Seed
BRA	Marcelo Demoliner	IND	Purav Raja	98	1
PHI	Treat Huey	AUT	Philipp Oswald	111	2
MEX	Santiago González	MEX	Miguel Ángel Reyes Varela	127	3
ESP	Pablo Carreño Busta	ARG	Guillermo Durán	148	4

• ¹ Rankings are as of January 29, 2018.

Other entrants

The following pairs received wildcards into the doubles main draw:

• Dorian Descloix / Gaël Monfils
• Gonzalo Escobar / Roberto Quiroz

The following pairs received entry as alternates:

• Facundo Bagnis / João Souza
• Federico Gaio / Andrej Martin
• Sergio Galdós / Gerald Melzer

Withdrawals

Before the tournament

• Carlos Berlocq (right shoulder injury)
• Rogério Dutra Silva (enteritis)
• André Sá (right calf strain)

Singles

• Roberto Carballés Baena defeated Albert Ramos Viñolas, 6–3, 4–6, 6–4

Doubles

• Nicolás Jarry / Hans Podlipnik-Castillo defeated Austin Krajicek / Jackson Withrow, 7–6^(8–6), 6–3