Barcelona convincingly beat Real Madrid 3-1 in Saudi Arabia on Sunday to win the Spanish Super Cup, their first trophy since coach Xavi Hernandez took over.Inspired by teenager Gavi, who scored himself and set up goals for Robert Lewandowski and Pedri Gonzalez, the Catalans produced one of their best performances in years against their bitter Clasico rivals.Having enjoyed great success as a player at Barca, Xavi returned in November 2021 and after a summer of heavy spending this emphatic victory is a sign his project is moving in the right direction.Karim Benzema netted a late consolation for Madrid, who have been far from their best since the World Cup break and also fell three points behind Barcelona in La Liga last weekend.Madrid coach Carlo Ancelotti suffered his first defeat in a final since 2014, with Los Blancos surrendering the trophy they earned last season to Barcelona, who have now won the Super Cup a record 14 times.Xavi crucially deployed four central midfielders, with Gavi drifting inside off a nominal starting position on the left and frequently giving Madrid right-back Dani Carvajal the slip.Toni Kroos played as Madrid's deepest midfielder with Aurelien Tchouameni out injured, and he was overrun by the energetic Pedri, ably supported by Frenkie de Jong and Sergio Busquets.Madrid goalkeeper Thibaut Courtois, who was outstanding in his team's semi-final victory over Valencia on Wednesday, made a brilliant early save to deny Lewandowski, tipping his low drive against the post and out.At the other end Benzema headed narrowly off-target after finding space in the box to meet Ferland Mendy's inviting cross.Barcelona broke the deadlock when Busquets won the ball high up the pitch after a loose Antonio Rudiger