He played for several Italian clubs throughout his career, most notably Roma, where he won consecutive Coppa Italia titles in 2007 and 2008 during his four seasons with the team.
From 2004 to 2006, he enjoyed great success at Serie A side Sampdoria, where he got his first taste of European football in the UEFA Cup.
[2] On 11 March 2009, he blasted Roma's eighth and final penalty into the stands in the shootout against Arsenal, which meant Roma were knocked out of the Champions League, failing to progress to the quarter finals.
His contract with Roma expired 30 June 2010, and he subsequently retired from professional football.
Tonetto won his one and only cap for Italy against the Faroe Islands in a qualification match for UEFA Euro 2008.