2019 Torneo Internacional Challenger León

The 2019 Torneo Internacional Challenger León was a professional tennis tournament played on hard courts. It was the seventeenth edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in León, Mexico between 22 and 28 April 2019.

Seeds

 * 1 Rankings are as of April 15, 2019.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇺🇸 Milledge Cossu
 * 🇲🇽 Lucas Gómez
 * 🇲🇽 Gerardo López Villaseñor
 * 🇲🇽 Luis Patiño

The following player received entry into the singles main draw using a protected ranking:
 * 🇪🇸 Carlos Gómez-Herrera

The following players received entry into the singles main draw using their ITF World Tennis Ranking:
 * 🇪🇸 Andrés Artuñedo
 * 🇫🇷 Baptiste Crepatte
 * 🇫🇷 Manuel Guinard
 * 🇹🇳 Skander Mansouri
 * 🇧🇷 João Menezes

The following players received entry from the qualifying draw:
 * 🇨🇴 Felipe Mantilla
 * 🇺🇸 Martin Redlicki

The following player received entry as a lucky loser:
 * 🇦🇷 Camilo Ugo Carabelli

Singles

 * Blaž Rola def. 🇬🇧 Liam Broady 6–4, 4–6, 6–3.

Doubles

 * 🇦🇹 Lucas Miedler / 🇦🇹 Sebastian Ofner def. 🇦🇺 Matt Reid / 🇦🇺 John-Patrick Smith 4–6, 6–4, [10–6].