Rubuta ci gaba don wannan sakin layi - Del Olmo kuma ya sami wasanni 51 da kwallaye 3 don tawagar Mexico. Ya fara buga wasan sa na farko a ranar 29 ga Yuni, 1993 da Costa Rica, a wasan da suka ci 2-0. A karkashin kocin Miguel Mejia Baron, del Olmo ya wakilci Mexico a gasar cin kofin CONCACAF ta wannan shekarar kuma ya sanya tawagar zuwa gasar cin kofin duniya ta 1994, inda ya buga wasannin zagaye na farko na Mexico da Norway, Ireland, da Italiya. Ya kuma bayyana a 1995 Copa América
da 1996 CONCACAF Gold Cup, da kuma wasannin da suka cancanta don gasar cin kofin duniya ta 1998 FIFA, amma ya rasa Manuel Lapuente na karshe na gasar cin kofin duniya. Bayan dogon rashi daga ƙungiyar, Enrique Meza ya tuna da del Olmo yana da shekaru 32 a shekara ta 2001. Ya sami lambar yabo ta karshe a ranar 16 ga Yuni 2001 a cikin rashin nasara 2 zuwa 1 a Estadio Azteca zuwa Costa Rica a wasan neman cancantar zuwa gasar cin kofin duniya ta FIFA ta 2002.