2005 Copa Petrobras Santiago

The 2005 Copa Petrobras Santiago was a professional tennis tournament played on outdoor red clay courts. It was part of the 2005 ATP Challenger Series. It took place in Santiago, Chile between 24 and 30 October 2005.

Seeds

 * Rankings are as of October 17, 2005.

Other entrants
The following players received wildcards into the singles main draw:
 * Jorge Aguilar
 * 🇧🇷 Marcelo Melo
 * Felipe Parada
 * 🇧🇷 Bruno Rosa

The following players received entry from the qualifying draw:
 * 🇦🇷 Juan-Martín Aranguren
 * 🇮🇹 Fabio Fognini
 * 🇦🇷 Máximo González
 * Gabriel Moraru

The following players received entry as lucky losers:
 * Adrian Cruciat
 * 🇧🇷 Alexandre Simoni

Withdrawals

 * Before the tournament
 * 🇦🇷 Carlos Berlocq (right shoulder injury) → replaced by Adrian Cruciat
 * 🇧🇷 Marcos Daniel (back injury) → replaced by 🇧🇷 Alexandre Simoni

Singles
🇧🇷 Júlio Silva def. 🇪🇸 Rubén Ramírez Hidalgo, 6–2, 6–3

Doubles
🇦🇹 Daniel Köllerer / 🇦🇹 Oliver Marach def. 🇦🇷 Lucas Arnold Ker / 🇪🇨 Giovanni Lapentti, 6–4, 6–3