| Champ: |  Christopher Eubanks |
| Runner: |  John-Patrick Smith |
| Score: | 6–4, 3–6, 7–6(7–4) |
| Type: | singles doubles |
See main article: article and 2018 Torneo Internacional Challenger León.
Adrián Menéndez Maceiras was the defending champion but lost in the second round to John-Patrick Smith.
Christopher Eubanks won the title after defeating Smith 6–4, 3–6, 7–6(7–4) in the final.