 This included six wins as a member of the Hungarian National Team that won the Swaythling Cup in 1928, 1930, 1931, 1934, 1935, and 1938.Bellak moved to the United States at the start of World War II, and enlisted in the U.S. Army, serving in India and Burma.He was decorated three times, and was honorably discharged with the Victory Medal, attaining the rank of Sergeant.