Tsushima was commissioned during the middle of the Russo-Japanese War, but she was present with the 4th Detachment of the Japanese 2nd Fleet and participated in the shore bombardment of Russian positions during the Battle of Port Arthur on 9 March 1904.
During the Russo-Japanese War's middle phase, Tsushima served with the 4th Detachment of the Japanese 2nd Fleet and engaged in the shore bombardment of Russian positions at Port Arthur on March 9, 1904.