2018 Challenger ATP Cachantún Cup

The 2018 Challenger ATP Cachantún Cup was a professional tennis tournament played on red clay courts. It was the 11th edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Santiago, Chile between 5 and 10 March 2018.

2018 Challenger ATP Cachantún Cup
Date	5–10 March
Edition	11th
Draw	32S / 16D
Surface	Red clay
Location	Santiago, Chile
Champions
Singles
Marco Cecchinato
Doubles
Romain Arneodo / Jonathan Eysseric

Singles main-draw entrants

Seeds

Country	Player	Rank1	Seed
POR	Gastão Elias	102	1
ITA	Marco Cecchinato	103	2
BRA	Rogério Dutra Silva	106	3
POR	Pedro Sousa	121	4
SVK	Andrej Martin	124	5
BRA	Thiago Monteiro	125	6
ARG	Carlos Berlocq	131	7
BRA	Thomaz Bellucci	132	8

• ¹ Rankings are as of 26 February 2018.^[1]

Other entrants

The following players received wildcards into the singles main draw:

• Marcelo Tomás Barrios Vera
• Christian Garín
• Gonzalo Lama
• Alejandro Tabilo

The following player received entry into the singles main draw as an alternate:

• Peđa Krstin

The following players received entry from the qualifying draw:

• Facundo Argüello
• Pedro Cachin
• Carlos Gómez-Herrera
• Gian Marco Moroni

The following players received entry as lucky losers:

• Hernán Casanova
• João Souza

Champions

Singles

Main article: 2018 Challenger ATP Cachantún Cup – Singles

• Marco Cecchinato def. Carlos Gómez-Herrera 1–6, 6–1, 6–1.

Doubles

Main article: 2018 Challenger ATP Cachantún Cup – Doubles

• Romain Arneodo / Jonathan Eysseric def. Guido Andreozzi / Guillermo Durán 7–6^(7–4), 1–6, [12–10].