2017 Torneo Internacional Challenger León

Country	Player	Rank1	Seed
DOM	Víctor Estrella Burgos	91	1
USA	Ernesto Escobedo	108	2
CAN	Vasek Pospisil	119	3
USA	Stefan Kozlov	122	4
BRA	João Souza	123	5
USA	Tennys Sandgren	161	6
RUS	Teymuraz Gabashvili	164	7
TPE	Jason Jung	170	8

• ¹ Rankings are as of March 20, 2017.

The following players received wildcards into the singles main draw:

• Santiago González
• Hans Hach Verdugo
• Tigre Hank
• Manuel Sánchez

The following player received entry into the singles main draw as a special exempt:

• Denis Shapovalov

The following players received entry into the singles main draw as alternates:

• Nicolás Jarry
• Mackenzie McDonald

The following players received entry from the qualifying draw:

• Yannick Hanfmann
• Adrián Menéndez Maceiras
• Danilo Petrović
• Roberto Quiroz

The following player received entry as a lucky loser:

• Liam Broady

• Adrián Menéndez Maceiras def. Roberto Quiroz 6–4, 3–6, 6–3.

• Leander Paes / Adil Shamasdin def. Luca Margaroli / Caio Zampieri 6–1, 6–4.

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