St. Louis Kutis S.C. won the Lamar Hunt U.S. Open Cup for U.S. Open Cup Champion twice (1957, 1986).
| Year | Contest | Category | For | Sources |
|---|---|---|---|---|
| 1986 | Lamar Hunt U.S. Open Cup | U.S. Open Cup Champion | 1 · 2 | |
| 1957 | Lamar Hunt U.S. Open Cup | U.S. Open Cup Champion | 1 · 2 |