Ya kasance tare da rundunar ta hanyar 1917, inda ya yi yaƙi a karo na uku na Ypres, kuma a cikin 1918, inda ya fara shekara yana riƙe da wani abu mai ban mamaki a kan iyaka tsakanin Runduna na Uku da na Biyar. An kai masa hari sosai a
Operation Michael, mataki na farko na Jamus spring kai hari na Maris 1918, kuma duka shi da kuma makwabta VII Corps aka tilasta koma baya, barin wani rata a cikin Birtaniya Lines. Hakkin wannan shine batun rikice-rikice na tarihi na wasu shekarun da suka gabata, amma amsar a lokacin ba ta da tabbas; duka Fanshawe da kwamandan VII Corps, Walter Congreve, an cire su daga umurnin.