There were eight entrants to the 2011 Sicilia Classic with Rui Machado of Portugal as the first seed with a 62 ranking.
POR Rui Machado 62 ARG Carlos Berlocq ITA Filippo Volandri ESP Pere Riba AUT Andreas Haider-Maurer ESP Daniel Gimeno-Traver SVN Blaz Kavcic ARG Diego Junqueira 
