He later took part in the World Cup in 2015, a tournament which was a big deception in France. In quarter finals, France lost 62-13 to New Zealand after a disappointing tournament.
In 2015, after Guy Novès' nomination as Head Coach, he became captain of the national team. The level of the team then gradually improved, as players managed to play in a "French Flair"-based style. Playing very well with his club (Rugby Club de Toulon), and also being very impressive the National team, the Frenchman's attitude and professionalism was praised by the press. Guy Novès also showered Guirado with praise, saying he was likely to be captain of the national team until his retirement, or at least until the end of Novès' head coach's mandate.