Dee ihe na-aga n'ihu maka paragraf a - Ná mmalite afọ 2000, Siscovich sonyere n'egwuregwu ndị chọrọ ịga Sydney 2000, na-enyere Croatia aka iru eru maka Egwuregwu Olimpik nke Oge Ezumike. O sooro Croatia nọrọ n'ọkwa nke asaa n'asọmpi volleyball ụmụnwaanyị n'egwuregwu Olympic n'afọ 2000.
Ọ dị mma. Siscovich sokwa soro Croatia gbaa bọọlụ na 2001 European Championship na Bulgaria.