The Singha Premiership Rugby 7s Series explodes into life at BT Sport Cardiff Arms Park on Saturday, August 15 - and the Ospreys face hosts Cardiff Blues in the tournament opener.
The popular summer rugby event, which features a Welsh leg for the second year, kicks off at the Arms Park at the family friendly time of 3.15pm.
Two of the four Welsh regional sides will then qualify for the Series Final at the Twickenham Stoop on Friday, August 28.
The fixtures for the opening round of the tournament were revealed at BT Tower in London:
Singha Premiership 7s Series - Group A:
3.15pm - Cardiff Blues 7s v Ospreys 7s
3.40pm - Newport Gwent Dragons 7s v Scarlets 7s
4:10pm - Newport Gwent Dragons 7s v Ospreys 7s
4:35pm - Cardiff Blues 7s v Scarlets 7s
5:05pm - Ospreys 7s v Scarlets 7s
5:30pm - Cardiff Blues 7s v Newport Gwent Dragons 7s
Tickets for the Welsh leg of the Singha Premiership Rugby 7s Series are now on sale from the Liberty Stadium Ticket Office, online at ospreysrugby.com/buytickets or by calling 0844 815 6665, priced at just £10 adults, £5 concessions, with season members able to purchase their tickets at the reduced price of just £5.