I te Pakanga Tuatahi a Haina-Hapani, i tohua a Ōyama hei rangatira-nui o te Ope Taua Tuarua o Hapanihi, i muri i tana taunga ki te Liaotung Peninsula, i kawe i a Port Arthur
na te tupuhi, a, i muri mai ka whiti ki Shantung, i reira i mau ai te pa kaha o Weihaiwei. Whai muri i te pakanga, i whakahawea a Ōyama e te kairipoata o Amerika a Trumbull White mo te kore e aukati i ana hoia i te Pakanga o Port Arthur.