Walter Kramer won at the 1937 inaugural open U.S. Championships title in the men's singles.
In the final, the 24-year-old Kramer who was from the Detroit Badminton Club defeated the Malaysian Ong Hock Sim 15:10, and 15:4, and thus ensured that the first U.S. title remained on the American continent .
The following year, he successfully defended his title by defeating William Markham in the final.
[4] Kramer finished first in Men's Doubles at the 1935 New England Badminton Championships with teammate James Bryson of Ottawa.
[4] He began 1939 strongly by winning the Pennsylvania singles crown on February 20, 1939, though finishing only second place in mixed doubles with his wife against William Pinkerton and Barbara Jarman.