Activity is non-stop at the Castellón Tennis Club which since last Monday has been hosting a new fixture of the 'Valencia Open 500 Young Talents' of Castellón, the fifth of the season. Amongst the favourites in the men's category is the number one seed, John Echeverría, winner of the Bilbao competition, and in the women's category Gabriela Martínez, winner in Valencia, is the favourite.