A shekara ta 1396, Sigismund ya jagoranci rundunar haɗin gwiwar Kiristendam a yaƙi da Turkawa, waɗanda suka yi amfani da rashin taimako na ɗan lokaci na Hungary don faɗaɗa mulkinsu zuwa gaɓar Danube.Wannan yakin kiristocin, wanda Paparoma Boniface na IX ya yi wa'azi, ya shahara sosai a kasar Hungary.Manyan mutane sun yi tururuwa cikin dubbansu zuwa matsayin sarauta, kuma masu sa kai daga kusan kowane yanki na Turai sun ƙarfafa su.Babban abin da ya fi muhimmanci shi ne na Faransawa karkashin jagorancin John the Tsoro, ɗan Philip II, Duke na Burgundy.Sigismund ya tashi tare da maza 90,000 da kuma tudun ruwa na galley 70.Bayan kama Vidin, ya yada zango tare da sojojinsa na Hungary a gaban kagara na Nicopolis.Sultan Bayezid na daya ya tayar da kewayen Constantinoful kuma, a lokacin da yake shugaban mutane 140,000, ya ci nasara gaba daya sojojin Kirista a yakin Nicopolis da aka gwabza tsakanin 25 da 28 ga Satumba 1396. Sigismund ya dawo ta teku kuma ta hanyar daular Zeta, inda ya nada. shugaban Montenegrin na gida Đurađ II tare da tsibiran Hvar da Korčula don jure wa Turkawa;An mayar da tsibiran zuwa Sigismund bayan mutuwar Đurađ a cikin Afrilu 1403. Ba a kaddamar da wani sabon balaguro daga yammacin Turai don dakatar da ci gaban Turkiyya a yankin Balkan bayan wannan shan kashi, har zuwa 1440s.