A brace of tries from hooker Sam Parry on his 100th appearance for Ospreys helped the Welsh side to a dominating 39-15 victory over Castres Olympique in the European Rugby Challenge Cup. After Shaun Venter rumbled over for the first try of the evening, Parry added a pair of scores before the interval as the Welsh outfit led their French counterparts 25-3 at the break. Castres improved in the second half to make the game a contest. Kévin Kornath scoring the visitors first try on 54 minutes. https://twitter.com/ospreys/status/1337858879707865094 But any hopes of a comeback were dashed with 13 minutes to play when Dan Evans notched a bonus point try, Stephen Myler kicking the conversion to cap a 14 point performance. There was still time for Castres to answer back with a consolation try through Adrien Amans. However, it was Ospreys who had the last laugh as Luke Morgan added the side's fifth try of the evening Ospreys take on Worcester next week in the second round of Challenge Cup fixtures, Castres host the Newcastle Falcons.