2018 Torneo Internacional Challenger León

Country	Player	Rank1	Seed
ESP	Adrián Menéndez Maceiras	156	1
GER	Mats Moraing	158	2
USA	Dennis Novikov	167	3
DOM	Víctor Estrella Burgos	171	4
USA	Kevin King	172	5
BAR	Darian King	179	6
CAN	Filip Peliwo	180	7
ESA	Marcelo Arévalo	181	8

• ¹ Rankings are as of April 16, 2018.

The following players received wildcards into the singles main draw:

• Tigre Hank
• Luis Patiño
• José Antonio Rodríguez Rodríguez
• Manuel Sánchez

The following players received entry from the qualifying draw:

• Roberto Cid Subervi
• Roberto Quiroz
• Rubin Statham
• James Ward

The following player received entry as a lucky loser:

• Tobias Simon

• Christopher Eubanks def. John-Patrick Smith 6–4, 3–6, 7–6^(7–4).

• Gonzalo Escobar / Manuel Sánchez def. Bradley Mousley / John-Patrick Smith 6–4, 6–4.

• Official Website