 He was called into the U21 squad in September 2001, for a European Championship qualifier against Malta, but did not play.Since returning to Guernsey, Tardif has represented Guernsey, in the 2011 Muratti Vase Final, losing on penalties to Jersey, at the 2011 Island Games and then won the 2012 Muratti Vase Final after Guernsey beat Jersey by two goals to nil Also, in 2011 Tardiff joined the newly formed Guernsey F.C.as their goalkeeper.