Cristiano Ronaldo will be hoping a change of scenery can bring about a change of fortune for the Portugal star as he trained with his international team-mates on Tuesday . The 30-year-old was on the losing side for the third time in four matches on March 15 as his club side Real Madrid lost 2-1 at bitter rivals Barcelona . The El Clasico defeat at the Camp Nou leaves Real four points adrift of the Catalan table toppers with 10 games remaining in La Liga . Cristiano Ronaldo took part in Portugal 's training session on Tuesday ahead of their clash against Serbia . Ronaldo ( left ) will be hoping to guide his nation to their third win out of four Euro 2016 qualifiers on Sunday . But despite this bitter blow , Ronaldo looked in a focused mood as he trained with his national side at their Lisbon base on Tuesday . The forward will be hoping to lead his country to victory when they host Serbia in their Euro 2016 qualifier on Sunday night , as well as adding to his tally of two goals in qualification so far . Former Chelsea duo Tiago and Ricardo Carvalho both took part in Tuesday 's session alongside fellow stalwarts Joao Moutinho and Nani . Victory for Portugal on Sunday would stretch their gap over Serbia to eight points after four matches . Portugal players going stretch out during Tuesday 's training session at their Lisbon base . Former Chelsea duo Tiago ( left ) and Ricardo Carvalho ( centre ) attended the session . Carvalho ( left ) was joined by Monaco team-mate Joao Moutinho ( right ) on Tuesday . Fernando Santos ' men currently sit second in Group I on six points - just one behind leaders Denmark who have played a game more . Santos will be hoping his side can continue their recent good form which has yielded an 100 per cent record from their last three games including a 1-0 friendly win over Argentina on November 18 at Old Trafford . On Monday it was announced that the 60-year-old coach had won an appeal to cut his ban for misconduct at the World Cup while coaching Greece . However , he will still be barred from contact with his Portugal stars in their next few matches . The Court of Arbitration for Sport said it halved an 'excessive ' eight-match ban imposed by FIFA , with two matches of the sanction deferred for a six-month probationary period . Winger Nani ( left ) was also training with the national squad ahead of games vs Serbia and Cape Verde Islands . CAS added its panel found Santos guilty of 'improper conduct ' during Greece 's second-round loss to Costa Rica last June in Brazil . Santos was sent from the dugout after extra time , which finished 1-1 , as Greece lost the penalty shootout . The court said Santos was 'protesting against the referee and casting doubts on his impartiality . ' After Serbia on Sunday , Portugal host the Cape Verde Islands in a friendly on March 31 before travelling to Armenia for their fifth Euro 2016 qualifier . Portugal coach Fernando Santos has won an appeal to cut his ban for misconduct while in charge of Greece . Santos was sent from the dugout after extra time during Greece 's last 16 exit against Costa Rica last June .
Portugal host Serbia in their Group I fixture in Lisbon on Sunday night . Hosts sit second in Group I on six points - just one behind Denmark . The two sides have met twice before with the first meeting coming back to back wins for both teams at Euro 2012 and 2014 World Cup qualifiers respectively.