N'afọ 1931, Nüsslein meriri Roman Najuch na ngwụcha asọmpi German Pro Championships, bụ onye riterela iko a ugboro iri na otu.
N'ezie, ụdị okwu dị mgbagwoju anya nke ahịrịokwu ahụ bụ "N'afọ 1931, Nüsslein meriri German Pro Championship ikpeazụ na Roman Najuch, onye meriri aha a ugboro iri na otu. N'otu afọ ahụ, ọ lụrụ onye ama ama egwuregwu tenis bụ Bill Tilden na Europe, were ya setịpụrụ ise. "