Víctor Estrella Burgos was the three-time defending champion and the tournament's only champion to date, but lost in the second round to

Gerald Melzer Gerald Melzer (born 13 July 1990) is a professional Austrian tennis player. As a qualifier, he reached the semifinals of Munich in 2015. He achieved a career-high singles ranking of world No. 68 in November 2016. He is the younger brother of top ...

Roberto Carballés Baena Roberto Carballés Baena (; born 23 March 1993) is a Spanish tennis player. He achieved a career-high ATP singles ranking of world No. 71 on 15 November 2021. His preferred surface is clay, on which he has won one ATP title and 19 ITF titles in ...

won his first ATP title, defeating

Albert Ramos Viñolas Albert Ramos Viñolas (; born 17 January 1988) is a Spanish professional tennis player. He is currently ranked in the top 40 in singles by the Association of Tennis Professionals (ATP), and has a career-high ATP singles ranking of world No. 17, ...

in the final, 6–3, 4–6, 6–4.

Seeds

The top four

seeds A seed is an Plant embryogenesis, embryonic plant enclosed in a testa (botany), protective outer covering, along with a food reserve. The formation of the seed is a part of the process of reproduction in seed plants, the spermatophytes, includ ...

receive a bye into the second round.

Draw

Finals

Top half

Bottom half

Qualifying

Seeds

The top two

receive a bye into the qualifying competition.

Qualifiers

Lucky loser

Alessandro Giannessi Alessandro Giannessi (born 30 May 1990) is a professional Italian tennis player. On 24 July 2017 he reached his highest ATP singles ranking of 84 while his best doubles ranking was 171 on 14 October 2013. Career Giannessi made his Grand Slam d ...

Qualifying draw

First qualifier

Second qualifier

Third qualifier

Fourth qualifier

References

Main Draw

Qualifying Draw
{{DEFAULTSORT:Ecuador Open Quito - Singles, 2018 2018 ATP World Tour 2018 Singles