 Wynne akashanda muHondo yeBoer yeChipiri uye akaitwa Mutevedzeri Wemukuru Mukuru weNatal Field Force muSouth Africa, uye mushure meHondo yeSpion Kop akapiwa mutungamiri we11th Infantry Brigade panzvimbo yaGeneral Edward Woodgate, uyo akanga aurayiwa. Mukati meHondo yeTugela Heightsmuna February 1900 Wynne pachake akakuvadzwa zvishoma, uye kutungamirira kwake kwakapiwa kuna Colonel Walter Kitchener. Mushure mokupora, akagadzwa kuva mutungamiri weCape Colony District kusvikira adzokera kuUnited Kingdom mukutanga kwa1902. Akataurwa nezvake mumashoko kusanganisira naIshe Kitchener, musi wa 23 June 1902. 