Rubuta ci gaba ga wannan sakin layi - Saboda haka a farkon 1918 sun fi yawan abokan adawarsu a yamma kuma sun ƙuduri aniyar kai hari don nasara. An yarda da shawarar Kuhl don kai hari kan mahimman hanyoyin jirgin ƙasa na Burtaniya a Flanders, amma yayin da suke jiran ƙasa ta bushe a can, a watan Maris na 1918 sun rushe ta hanyar kudancin Burtaniya kusa da Cambrai, ta amfani da sojoji daga rundunonin biyu a kudancin flank na Army Group Rupprecht. Nasararsu ta kasance mai ban mamaki cewa sun tsawaita harin, amma sun kasa raba sojojin Faransa da na Burtaniya kuma sun rage albarkatun da aka tsara don Flanders. Lokacin da suka kai hari a can sai suka rushe ta hanyar Birtaniya da Portuguese, amma an dakatar da su a gaban burin su. Don zubar da kayan haɗin gwiwa daga Flanders, 'yan Jamus sun canza shugabanci don kai wa Faransawa hari a kudanci, sake sakewa ta hanyar abokan adawarsu
, amma ya kasa murkushe nufin su na yin tsayayya. 'Yan Jamus suna gab da sake kai hari a Flanders don haka Kuhl, Rupprecht da kwamandojin dakarunsu suna ganawa da Ludendorff don kammala tsare-tsaren da za a fara budewa lokacin da suka koyi ta hanyar tarho cewa wani haɗin gwiwar Faransa da Amurka ya ragargaje Jamus a kudu. Kamar yadda Rupprecht ya rubuta a cikin littafinsa "babu shakka mun wuce babban matsayi na nasarorin wannan shekara". Dukansu sun fahimci cewa ba su da albarkatun da za su ci gaba da hare-haren su, don haka suka shiga tsaro.