Kammala jumla mai zuwa: Napoleon ya aika Grouchy don bin wani ɓangare na sojojin Prussian da ke janyewa a ƙarƙashin jagorancin Janar Johann von Thielmann. A ranar 17 ga Yuni, Grouchy bai iya kusa da Prussians ba. Duk da jin karar bindigogi daga yakin Waterloo da ke kusa, ya yanke shawarar bin Prussians a kan hanyar da aka ƙayyade a cikin umarninsa, wanda Napoleon ya bayar ta hanyar Marshal Soult, yayin da sojojin Prussian da Birtaniya-Dutch suka haɗu don murkushe Napoleon. Ya lashe nasara mai kyau a kan III Prussian Corps a cikin
Yaƙin Wavre, a ranar 18 zuwa 19 ga Yuni 1815, amma ya yi latti, kamar yadda a lokacin da wannan yaƙin ya ƙare Napoleon ya riga ya rasa a Waterloo.