Three lucky fans who are attending the match will get to grace the hallowed Kingspan Stadium turf to give the #BTUpAndUnder a go to try and win a goodie bag, with thanks to BT, official communications partner to Ulster Rugby.
For the chance to take part, just head over to the @UlsterRugby Twitter page this week to enter.
You must hold a valid ticket to enter and take part. On match night, all you have to do is keep cool, calm and collected under a high ball and you win yourself a BT and Ulster Rugby goodie bag! No pressure!
Further prizes and opportunities to take part will be available throughout the rest of the season, so keep an eye on the @UlsterRugby Twitter page for details, with thanks to BT, Official Communications Partner of Ulster Rugby.