Whakaotihia te rerenga e whai ake nei: I te taha o Duchene's Sixth Army, Humbert's Third Army nui, he roopu hoia hoia, me tetahi roopu hiko taapiri, i hangaia e te ope taua Tuatahi a Fayolle's Reserve Army Group, i neke ki te pupuri i te rereketanga i waenga i nga ope o Ingarangi me nga French i te wa o te pakanga i te raumati
Ko te whakaeke a Tiamana i te Maehe (i tiimata i te 21 o Maehe). Ko nga toenga o te British Fifth Army i whakanohoia ki raro i a Fayolle mo tetahi wa.