Kammala jumla mai zuwa: Lokacin da Yaƙin Franco-Prussian ya ɓarke a watan Yulin 1870, Bataille ya zama kwamandan na 2 na "général de division" Charles Auguste Frossard's II Army Corps. Rukunin nasa ya jagoranci sojojin Frossard a yakin farko na yakin, yakin Saarbrücken, a ranar 2 ga Agusta, 1870. A cikin
Yaƙin Spicheren a ranar 6 ga watan Agusta, Frossard ya sanya rukunin Bataille a cikin ajiya, amma Bataille ya ba da gudummawa ga aikin ba tare da umarni daga Frossard ba, ya raba shi kashi biyu don tallafawa layin Faransa a kan harin Jamus da kuma ƙarfafa layin Faransa, kodayake ya hana Frossard duk wata dama ta yin motsi ta hanyar ba da ajiyar sa. Da yake la'akari da barazanar da aka yi a hannun hagu na Faransa, Bataille a kan kansa ya ba da wata runduna don karfafa hagu, kuma a ƙarshen rana ya cire abubuwan da ke cikin sashinsa a hannun dama na Faransa a kusa da Stiring-Wendel a cikin mawuyacin hali yayin da sojojin Faransa suka janye daga fagen fama.