2018 Brasil Open

Country	Player	Ranking1	Seed
ESP	Albert Ramos Viñolas	19	1
ITA	Fabio Fognini	21	2
URU	Pablo Cuevas	33	3
FRA	Gaël Monfils	39	4
ARG	Leonardo Mayer	49	5
ARG	Guido Pella	55	6
USA	Tennys Sandgren	60	7
ARG	Federico Delbonis	63	8

• ¹ Rankings as of February 19, 2018.

The following players received wildcards into the singles main draw:

• Thiago Monteiro
• Corentin Moutet
• Thiago Seyboth Wild

The following players received entry from the qualifying draw:

• Guilherme Clezar
• João Domingues
• Sebastian Ofner
• Renzo Olivo

Before the tournament

• Cedrik-Marcel Stebe → replaced by Gastão Elias
• Jiří Veselý → replaced by Carlos Berlocq

Country	Player	Country	Player	Rank1	Seed
URU	Pablo Cuevas	ARG	Horacio Zeballos	55	1
CHI	Hans Podlipnik Castillo	BLR	Andrei Vasilevski	97	2
ARG	Guillermo Durán	ARG	Andrés Molteni	110	3
NED	Wesley Koolhof	NZL	Artem Sitak	120	4

• ¹ Rankings as of February 19, 2018.

The following pairs received wildcards into the doubles main draw:

• Thomaz Bellucci / André Sá
• Dorian Descloix / Gaël Monfils

The following pairs received entry as alternates:

• Pedro Bernardi / Thiago Monteiro
• Fabrício Neis / Renzo Olivo

Before the tournament

• Nicolás Jarry
• Gerald Melzer

During the tournament

• Pablo Cuevas

• Fabrício Neis

• Fabio Fognini def. Nicolás Jarry, 1–6, 6–1, 6–4

• Federico Delbonis / Máximo González def. Wesley Koolhof / Artem Sitak, 6–4, 6–2.