See main article: article and 2019 Milex Open.
Leander Paes and Miguel Ángel Reyes-Varela were the defending champions[1] but only Reyes-Varela chose to defend his title, partnering Marcelo Arévalo. Reyes-Varela lost in the semifinals to Orlando Luz and Luis David Martínez.
Ariel Behar and Gonzalo Escobar won the title after defeating Luz and Martínez 6–7(5–7), 6–4, [12–10] in the final.