Later, he was successively Commander-in-Chief of the IJN 2nd Fleet, Sasebo Naval District, and the IJN 1st Fleet.
On 15 August 1904, Vice-Admiral Dewa Shigetō sent the Japanese destroyer Ikazuchi to Tsing Tao to discuss details of the Russian fleet with the governor of Tsing Tao and Admiral Funke, who boarded the Ikazuchi and made a note of the impressive state of cleanliness and order of both ship and crew.
On 9 February 1904, she was part of the 3rd Cruiser Squadron under the overall command of Admiral Dewa Shigetō which engaged the Russian fleet at the entrance to Port Arthur, taking some minor damage.
Dewa Province | Three Mountains of Dewa | Dewa Shigetō | Dewa Budjana | Shigeto |