The Probables versus Possibles Wales rugby trials will return after a 14-year absence this summer, the WRU has announced.
The match will be played at Swansea's Liberty Stadium on Friday 30 May and will be a chance for players to impress ahead of selection for the upcoming tour to South Africa.
Warren Gatland says it will also act as important preparation ahead of next year's Rugby World Cup.
The Ospreys managed a 23 - 19 home win over the Worcester Warriors this afternoon.
A Ross Jones try in the dying minutes of the game sealed the win for the Welsh side.
The match was delayed after the Warriors' team bus caught fire on the M5 this morning as they travelled to the Liberty Stadium.
Nobody was hurt and the game kicked off at the slightly later time of 4.30pm.
Worcester Warriors' player Josh Matavesi has tweeted these photos from the hard shoulder of the M5:
One lane is still closed southbound between J14 B4509 (Thornbury / Falfield) and J15 M4 (Almondsbury Interchange).
Congestion is back to J13 A419 (Stroud).
Two lanes have re-opened on the M5 southbound in Gloucestershire after Worcester Warriors' team coach caught fire.
All staff and players are said to be safe and well. It's not yet known how the fire started.
The Premiership rugby team will now play Ospreys at the later time of 4.30pm.
All staff and players on board a Worcester Warriors coach are said to be safe and well after it caught fire on the M5 near Bristol.
It's not yet known how the fire started, but it's been causing significant tailbacks southbound between junctions 14 & 15 close to Thornbury.
The Premiership rugby team will now play Ospreys later than scheduled at 4.30pm.
Today's Ospreys friendly against the Worcester Warriors will kick off at the later time of 4.30pm after the Warriors' team bus caught fire on the M5 this morning.
A series of tweets from the Warriors outlined this morning's events before the decision was made to delay the match, which was due to begin at 3pm at the Liberty Stadium.
Swansea City says they have submitted plans to expand the Liberty Stadium and redevelop the superstore at the ground.
The club also says they plan to spend £5.5million to improve their Landore training ground.
The Liberty stadium currently has capacity for 20,532 fans.