UNDER-PRESSURE Wales boss Wayne Pivac is to raise his concerns with World Rugby after being frustrated with referee Romain Poite in the loss to England.

Wales suffered a seventh defeat in eight Tests despite an improved display against the Six Nations champions at Parc y Scarlets.

England will take on France in the final of the Autumn Nations Cup after a 24-13 win in Llanelli while Pivac’s men are set to entertain Italy.

Wales led through an early Johnny Williams try before the visitors moved into an 11-7 lead at the break thanks to a reply by Henry Slade and a pair of Owen Farrell penalties.

Mako Vunipola went over in the second half but Wales couldn’t cause an upset despite a pair of Dan Biggar penalties keeping them in the hunt.

Pivac was frustrated after feeling his side were on the wrong end of decisions from French official Poite.

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"We were probably a bit disappointed going in at half-time," Pivac said. "The 11 points are probably ones that we would argue the toss with.

"Dan Biggar was tackled in the air, and a try came from that. The TMO (television match official) called in to say it was a tackle in the air, but the referee played on.

"Dan Biggar was clearly taken in the air. The TMO comes in and calls that, but he is over-ruled by the man in the middle.

"We then asked for him (Poite) to have a look before the conversion was taken, but our captain was dismissed 20 metres away.

"That was disappointing, and the scrums also need to be tidied up. There are a lot of resets and a lot of scrum penalties being awarded, and in some cases, we think, wrongly so."

Asked if Wales would raise issues with World Rugby, Pivac added: "We've been doing it every week, to be honest with you.

"Behind the scenes we review the performances of our players, and in doing that, we do pick up things that we send through to World Rugby.

"We'll certainly be doing that on this particular occasion, because I wasn't happy with the first try of England's."

It was a much-improved performance by Wales but ultimately, they were unable to threaten a team currently seven places above them in the world rankings.

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"We asked for a lot of energy, we asked for a bit of passion," Pivac said.

"We wanted to start well and I think we got the good start after weathering the storm, with the breakout try."

"I sound like a broken record but we're looking at this series as an opportunity and to look at the depth of the squad going forward.

"If we look at the World Cup squad from 2019 to 2023, there would be a lot of guys in the age bracket of 33 to 38.

"We know there will have to be change and some of that is happening at the moment and some players are unavailable.

"The numbers quoted (seven defeats in nine Tests since replacing Warren Gatland) are disappointing but what we're looking at is: are we improving, are we exposing players to this level and are we building depth?

"I take note of the players and listen to them and Alun Wyn Jones speak in the dressing room after the game, they believe that we're heading in the right direction.

"They believe the work we've done in the last few weeks, in particular... we're seeing the fruits of that labour really."