2018 Jalisco Open – Singles
| Singles | |
|---|---|
| 2018 Jalisco Open | |
| Champion | Marcelo Arévalo |
| Runner-up | Christopher Eubanks |
| Score | 6–4, 5–7, 7–6(7–4) |
Mirza Bašić was the defending champion but chose not to defend his title.
Marcelo Arévalo won the title after defeating Christopher Eubanks 6–4, 5–7, 7–6(7–4) in the final.