Career
He has made 38 appearances for the Slovakia national football team He measures 186 cm, weighing 82 kg. Having previously played with Baník Prievidza in his homeland, Petráš moved to the Czechoslovakian Republic with FK Jablonec 97 in 2000, before joining Sparta Prague in 2002.
During the 2005-2006 season he scored a goal for his club in the Champions League against Dutch giants Ajax Amsterdam.
Following this he was purchased by FBK Kaunas in January 2006 and immediately loaned to Scottish side Heart of Midlothian. After only 5 appearances for the Edinburgh club, Petráš returned to FBK Kaunas and was released in July 2006.
In January 2007 he moved to Treviso on loan. He moved to Cesena in 2009, making 29 appearances.
He was then sold to Grosseto on 31 January 2011.