 Nyora kuenderera kweiyi ndima - Akaita kutanga kwake nechikwata chenyika cheCroatia muna 1995, paJunior European Championship muAnkara. Muna 1997 akasarudzwa mutambi akanakisa paJunior European Championship muSlovakia, uko Croatia yakahwina sirivheri. Muna 1998 akatamba paJunior European Championship muBelgium pamwe neWorld Senior Championship muJapan. Neboka revakuru renyika rakatamba pa1999 World Cup muSweden. Mugore rimwe chetero, Siscovich akatamba muBrema mumutambo wekukodzera kuenda kumitambo yeOlympic, achipedza wechitatu neCroatia. Siscovich akahwina menduru yesirivha paEuropean Championship muRome muna 1999. Akamirirawo Croatia pa1999 Military Games muZagreb, kuhwina menduru yegoridhe. 