The ATP Challenger Asunción (officially: Copa Petrobras Asunción ) was a tennis tournament that took place from 2006 to 2010 in Asunción , Paraguay . A tournament took place at the same location as early as 1995. It was part of the ATP Challenger Tour as well as the Copa Petrobras tournaments and was played outdoors on clay. Martín Vassallo Argüello was the only player to win the tournament several times - once each in singles and doubles.
Copa Petrobras Asunción
Rui Machado
Daniel Gimeno Traver
Martín Vassallo Argüello
Franco Ferreiro
Fabio Fognini Paolo Lorenzi
Adrián García Bartolomé Salvá-Vidal
Tomas Behrend André Ghem
Francisco Montana Claude N'goran
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Paulo Carvallo Francisco Rodríguez