Petr was the 4th round pick (101st overall) of the Ottawa Senators in the 1998 NHL Entry Draft. He played one season with Torpedo Yaroslavl of the Russian League before coming to North America for the 1999-00 season. He spent the 2000-01 and 2001-02 seasons playing with both the Senators and Griffins, before being traded to the Mighty Ducks of Anaheim in February 2004. He played 22 more games for the MightyDucks at the end of the 2003-04 season, before returning to Russia to continue to play hockey. Besides working at the CoE, Petr works within several IceDen programs and travel hockey.