2017 Milex Open

The 2017 Milex Open was a professional tennis tournament played on green clay courts. It was the third edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Santo Domingo, Dominican Republic between 14 and 19 August 2017.

Seeds

 * 1 Rankings were as of 7 August 2017.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇩🇴 Roberto Cid Subervi
 * 🇺🇸 Charles Force
 * 🇩🇴 Nick Hardt
 * 🇩🇴 José Olivares

The following player received entry into the singles main draw as a special exempt:
 * 🇦🇷 Facundo Argüello

The following player received entry into the singles main draw as an alternate:
 * 🇺🇸 Evan King

The following players received entry from the qualifying draw:
 * 🇪🇸 Carlos Boluda-Purkiss
 * 🇦🇷 Juan Ignacio Londero
 * Jorge Montero
 * 🇨🇴 Cristian Rodríguez

The following player received entry as a lucky loser:
 * 🇯🇵 Kaichi Uchida

Singles

 * 🇩🇴 Víctor Estrella Burgos def. 🇧🇦 Damir Džumhur 7–6(7–4), 6–4.

Doubles

 * 🇦🇷 Juan Ignacio Londero / 🇻🇪 Luis David Martínez def. 🇨🇴 Daniel Elahi Galán / 🇨🇴 Santiago Giraldo 6–4, 6–4.