Unai Emery says Villarreal must try and "surf the wave of experience" they have gained when they do battle with the "best-ever Liverpool" for a place in the Champions League final.

Villarreal dumped out Serie A giants Juventus and Bundesliga champions Bayern Munich on a surprise run to the last four.

The Yellow Submarine travel to Anfield for the first leg on Wednesday plotting to tear up yet another script.

Villarreal beat Manchester United in the Europa League final last season and it would be an incredible story if they won Europe's premier club competition in Seville next month.

Emery rates Premier League title contenders Liverpool, who are eyeing an unprecedented quadruple, as the favorites to lift the trophy and knows his side are no longer a surprise package

The Villarreal head coach said at a pre-match news conference on Tuesday: "We face a bigger challenge than before. The surprise factor is no longer there. They are the number one favorites to win this competition.

"The team is a mirror of their coach, Jurgen Klopp, in terms of playing with joy, with enthusiasm. They are in the best moment.

"I remember my experiences against Liverpool [when he was Arsenal boss] at Anfield as challenging. I recognize the work done and the identity created by Klopp, which has since been further improved.

"I see that as an additional motivation for me, to try and beat the best-ever Liverpool. For that we will need to show our best version."

Emery says the LaLiga side must draw on the experience they have gained from their exploits in Europe.

He added: "We have been able to compete against big teams like Juve and Bayern, so they know it will be a tough game and will have to be 100 percent and give it all at Anfield.

"Of course, they will feel favorite as that is natural. It is an even higher difficulty than Juventus and Bayern Munich.

"We will try to surf the wave of experience we started accumulating last season."

Villarreal have not won in their previous eight matches in England, but their last victory came on Merseyside against Everton in August 2005.