During the Battle of the Yellow Sea, "Akitsushima" attempted to intercept the Russian cruiser , but failed to catch her. During the final crucial Battle of Tsushima on 27 May, "Akitsushima", under the command of Commander Hirose Katsuhiko saw combat against the Russian cruisers , and . Afterwards, in June 1905, she covered the landings of troops in the Japanese invasion of Sakhalin.