| Type: | ATP Challenger |
| Copa Petrobras Asunción | |
| City: | Asunción, Paraguay |
| Venue: | Yacht y Golf Club Paraguayo |
| Category: | ATP Challenger Tour |
| Surface: | Clay / Outdoors |
| Draw: | 32S/16Q/16D |
| Prize Money: | $75,000 |
| Website: | Official Website |
The Copa Petrobras Asunción is a tennis tournament that was held in Asunción, Paraguay, from 2006 to 2010. The event is part of the ATP Challenger Tour and was played on outdoor clay courts.
| Year | Champion | Runner-up | Score | |
|---|---|---|---|---|
| Rui Machado | 6–2, 3–6, 7–5 | |||
| Ramón Delgado | 7–6(2), 1–6, 6–3 | |||
| 2008 |  Martín Vassallo Argüello | 3–6, 6–3, 7–6 | ||
| 2007 |  Franco Ferreiro | 6–4, RET. | ||
| 2006 | Guillermo Cañas | 6–4, 6–1 |
| Year | Champion | Runner-up | Score | |
|---|---|---|---|---|
| 2010 |  Fabio Fognini Paolo Lorenzi | Carlos Berlocq Brian Dabul | 6–3, 6–4 | |
| 2009 |  Rubén Ramírez Hidalgo Santiago Ventura | Máximo González Eduardo Schwank | 6–3, 0–6, [10–8] | |
| 2008 | Alejandro Fabbri Leonardo Mayer | Martín García Mariano Hood | 7–5, 6–4 | |
| 2007 | Carlos Berlocq Martín Vassallo Argüello | Adrián García Bartolomé Salvá-Vidal | 7–5, 6–7, [13–11] | |
| 2006 | Tomas Behrend André Ghem | Carlos Berlocq Martín Vassallo Argüello | 3–6, 6–3, [10–3] |