Ulster v Ospreys Live: Score updates, TV channel and kick-off time

The Ospreys will look to book their place in the Challenge Cup quarter-finals when they take on Ulster in Belfast on Saturday night.

It's been an uncertain season, with the club still fighting for their existence. Their URC play-off hopes also look over after two defeats following the Six Nations.

However, Europe could offer them a chance to end the season on a high.

The Ospreys have reached the quarter-finals in the last two seasons.

The match is being broadcast on S4C and Premier Sport 1. Kick-off is at 8pm.

You can follow the match in the live blog below.

Ulster: Ethan McIlroy; Werner Kok, James Hume, Stuart McCloskey, Jacob Stockdale; Jake Flannery, Nathan Doak: Angus Bell, Rob Herring, Tom O'Toole; Iain Henderson, Cormac Izuchukwu; David McCann, Nick Timoney, Juamo Augustus.

Replacements: Tom Stewart, Sam Crean, Scott Wilson, Charlie Irvine, Bryn Ward, Conor McKee, Jack Murphy, Zac Ward.

Ospreys: Jack Walsh; Dan Kasende, Owen Watkin, Kieran Williams, Luke Morgan; Dan Edwards, Reuben Morgan-Williams; Gareth Thomas, Sam Parry, Rhys Henry, Rhys Davies, Ryan Smith, Huw Sutton, Jac Morgan (capt), Morgan Morris.

Replacements: Efan Daniel, Steffan Thomas, Tom Botha, James Fender, Harri Deaves, Kieran Hardy, Evardi Boshoff, Iestyn Hopkins.

Referee: Anthony Woodthorpe (England)

Live updates: