| Score: | 7–6(7–4), 4–6, [10–5] |
| Type: | singles doubles |
See main article: 2016 Challenger ATP Cachantún Cup.
Andrés Molteni and Guido Pella were the defending champions, but chose not to defend their title.
Julio Peralta and Hans Podlipnik won the title defeating Facundo Bagnis and Máximo González in the final, 7–6(7–4), 4–6, [10–5].