Kammala jumla mai zuwa: Yayin da Nazi Jamus ta mamaye Czechoslovakia, Plánička ya sake jagorantar Czechs zuwa
Kofin Duniya na 1938. A zagaye na farko, sun doke Netherlands da 3 zuwa 0 tare da dukkanin kwallaye uku da suka zo a cikin karin lokaci. A zagaye na biyu, sun fuskanci Brazil a ranar 12 ga Yuli, a cikin abin da ya kasance daya daga cikin wasannin da suka fi tashin hankali a tarihin gasar cin kofin duniya, wanda aka fi sani da "Yakin Bordeaux". An kori 'yan wasan Czech guda daya da Brazil guda biyu, kuma' yan wasa daga kungiyoyin biyu sun ji rauni sosai. Tare da wasan da aka daidaita 1<unk>1, abokin aikin Plánička Oldřich Nejedlý ya bar filin tare da karyewar kafa, sannan kuma Plánička da kansa ya karye hannu, bayan ya yi karo da dan wasan Brazil Perácio, yayin da dan Brazil ya yi kokarin harba. Plánička bai bar filin ba, duk da haka, kuma a maimakon haka ya yi wasa ta hanyar ciwo har zuwa ƙarshen tsari da kuma ta hanyar karin lokaci na gaba, wanda ba shi da canji a cikin sakamakon. An sake buga wasan kwana biyu bayan haka, kuma Czechoslovakia, ba tare da Plánička ko gaba Nejedlý da Antonín Puč ba, sun rasa 2<unk>1 kuma an fitar da su.