The 2017 Milo Open Cali was a professional tennis tournament played on clay courts. It was the tenth edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Cali, Colombia between 16 and 21 October 2017.

Singles main-draw entrants

Seeds Country Player Rank SeedHoracio Zeballos671Federico Delbonis702Víctor Estrella Burgos783Roberto Carballés Baena1034Gerald Melzer1565Jozef Kovalík1676Ricardo Ojeda Lara1717Andrej Martin1778 1 Rankings as of 9 October 2017.

Other entrants The following players received wildcards into the singles main draw: Charles Force Alejandro González Cristian Rodríguez Luis Valero

The following players received entry from the qualifying draw: Gonzalo Lama Juan Ignacio Londero Daniel Muñoz de la Nava Mario Vilella Martínez

Champions

Singles

Federico Delbonis def. Guilherme Clezar 7–6(12–10), 7–5.

Doubles

Marcelo Arévalo / Miguel Ángel Reyes-Varela def. Sergio Galdós / Fabrício Neis 6–3, 6–4.

References