The Scarlets welcomed the Blues U15's to Carmarthen Park with both sides realising the significance of the game.
Both sides had won their first games easily so this game was likely to be key at the end of the regional season.
The Scarlets started the strongest but some poor passing allowed the Blues into the game and they ended the first half the strongest with only committed try line defence led by Jodie Williams, Ffion Jones and Emily Coleman keeping out a strong Blues attack.
The second half started like the first with the Scarlets in control but after the break the Scarlets seemed to have a new resolve, and when the ball was moved quickly wide to Sioned Jones, she beat two defenders on the outside to score near the corner flag.
With the conversion attempt wide of the mark, the result was still in the balance and despite the Scarlets dominating possession the Blues backline looked dangerous every time they had the ball, but determined defence from the Scarlets stopped every attack from the Blues.
The last 10 minutes of the game was a battle of wills, but the Scarlets were determined after last season's 0-0 score line not to let their lead slip.
With Chloe Davies and Elisha Butchers winning the breakdown battle and no gaps in the Scarlets backline defence, the Blues had nothing left to offer, and the Scarlets held on for a deserved victory.
With only one try conceded in 10 regional games, the Scarlets defence proved to be rock solid.
The WRU's Women and Girls legacy events - #TRY OUR GAME have proved popular this week with current players and newcomers to the game learning new skills and picking up tips from national squad players.
We caught up with Shona and Ellie from the Wales women team ahead of the start of the Women's Rugby World Cup in Paris next month at a recent women's training session to encourage and promote more women and girls to try their hand at rugby. #tryourgame
The Women's Rugby World Cup warm-up clash between Wales and USA proved bittersweet for centre Elen Evans. Despite being one of the star performers on the day on her 50th Test appearance, USA edged home 10-7 at Cross Keys.
Wales completed their Junior World Championship campaign with a victory over Samoa. Team manager Mark Taylor and No 8 James Benjamin reflect on a tournament which saw Wales win three games and lose two.
Wales U20 players Angus O'Brien, Nicky Thomas and coach Richard Hodges are determined to finish their Junior World Championship with a flourish when they tackle the big hitting Samoans tomorrow in Auckland.