 Beauregard akabata mitoro inokosha yakawanda muWestern Theater, kubatanidza kudzora mauto paHondo yeShiro muTennessee, uye Kurwiswa kweKorindekuchamhembe kweMississippi, zvose muna 1862. Akadzokera kuCharleston ndokuridzivirira muna 1863 kubva pakurwiswa kwakadzokororwa kwegungwa nepasi nemauto eUnion. Iye anonyanya kuzivikanwa nokuda kwekudzivirirwa kwake kweguta remaindasitiri rePetersburg, Virginia, kubva kumasoja emubatanidzwa munaJune 1864, iyo yakanonoka kuwira kwekupedzisira kweguta guru reConfederate reRichmond, Virginia muna Kubvumbi 1865. 