Jan Koželuh (1904-1973) was a Czech tennis player of the 1920s, not to be confused with his older brother Karel Koželuh (1895-1950), a player of the same era.
Jan Koželuh (1904-1973) was a fine Czech tennis player of the 1920s. He is not to be confused with his older brother Karel Koželuh (1895-1950), another equally good player of the same era.