Kammala jumla mai zuwa: 1936 Ƙasar Challenge Cup ita ce gasar cin kofin shekara-shekara da Ƙungiyar Ƙwallon Ƙwallon Ƙasar Amurka ta gudanar da yanzu da ake kira Lamar Hunt US Open Cup. Wannan fitowar ta kasance ta biyar daga cikin wasanni shida na karshe na tawagar Alex McNab. Shamrocks ba sa shiga gasar wasannin gida a wannan shekarar suna wasa da wasannin birni tare da manyan gasa galibi daga Cleveland, Chicago da Detroit. Ofaya daga cikin asarar da suka yi a wannan kakar ita ce ta Heidelberg, a ƙarshe abokan hamayyar Shamrocks na yamma. A farkon kakar wasa ta Heidelberg ya dauki wasan farko na wasanni uku, wasan na biyu ya ƙare a cikin wasa kuma mutanen McNab sun daidaita jerin ta hanyar fitar da nasara a wasan na uku. Dukkanin kungiyoyin biyu sun yi nasarar zuwa wasan karshe na Yammacin Turai, Heidelberg ya jagoranci ta hanyar mai cin kwallo daya tilo ga Amurka a gasar cin kofin duniya.
Kofin Duniya na 1934 Aldo Donelli. Shamrocks tare da tsoffin sojan gasar cin kofin duniya da suka hada da William Lehman, Billy Gonsalves, Werner Nilsen, da Bert Patenaude sun shawo kan Pennsylvanians da jimillar 3-2 a wasanni biyu. Karshe ya nuna har yanzu sauran 'yan asalin Amurka. Jerin 'yan wasan Jamus-Amurka na Philadelphia sun yi alfahari da kwata-kwata na kansu ciki har da Bill Fiedler, Al Harker, Peter Pietras, da Francis Ryan. Bayan an tashi biyu a wasan farko na wasan karshe a St. Louis, Philly ta dauki kofin gida ta hanyar kashe Shamrocks 3 <unk> 0 a wasan na biyu.