2018 Challenger ATP Cachantún Cup
Country Player Rank 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
Singles main draw entrants -- Seeds
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.