2018 Ecuador Open Quito – Singles
was the three-time defending champion and the tournament's only champion to date, but lost in the second round to Gerald Melzer.
Roberto Carballés Baena won his first ATP title, defeating Albert Ramos Viñolas in the final, 6–3, 4–6, 6–4.Seeds
The top four seeds receive a bye into the second round.Draw
Finals
Top half
Seeds
The top two seeds receive a bye into the qualifying competition.Qualifiers
- Alessandro Giannessi
Qualifying draw
Second qualifier
Third qualifier