Rubuta ci gaba don wannan sakin layi - Sakamakonta mafi girma ya kasance a cikin 2008, inda Castillo ya lashe lambar azurfa a cikin nau'in -78 kg a gasar zakarun duniya ta Judo ta 2007
a wani wasa mai cike da takaddama da dan takarar na gida Xiuli Yang. A cikin 2008 ta kuma lashe gasar Torneo de Cuenca a Ecuador, da Tre Torri a Italiya, da Super Cup of the World, a Hamburg, Jamus, da kuma Wasannin Pan American a Miami, Amurka.