Swiss tennis player best known as the winner of ATP events like the 2009 Allianz Suisse Open Gstaad. He is a veteran of Switzerland's Davis Cup team.
He was born in Fullinsdorf, Switzerland and turned professional in 2000.
He won Comeback Player of the Year at the 2009 ATP World Tour Awards.
His parents are Lorenzo and Reni Chiudinelli.
He was childhood friends with tennis champion Roger Federer.