Tada graduated from the 25th class of the Army War College in 1913. He served as an instructor to the Chinese Army at the Beijing Military Academy from 1926-1927. After returning to Japan, he served as an instructor at the Army War College from 1927–1928, before being give a field command as commander of the IJA 4th Field Artillery Regiment in 1928. He was promoted to Chief of staff of the IJA 16th Division in 1930.
Tada returned to the Beijing Military Academy from 1931-1932. From 1932-1934, Tada was Chief Military Advisor to the Empire of Manchukuo. From 1 August 1935 – 1 May 1936 Tada served as commander in chief of the China Garrison Army.