Rodrigo-Antonio Grilli (born 20 November 1979) is a Brazilian tennis player.

Grilli has a career high ATP singles ranking of 441 achieved on 6 October 2008.

He also has a career high doubles ranking of 198 achieved on 12 December 2011.

[1] Grilli has won 1 ATP Challenger doubles title at the 2010 BH Tennis Open International Cup.

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