 Anstey aiva nhengo yeAustralia Boomers, achikwikwidza mumakwikwi eOlympics eSydney muna 2000 uye muOlympics yeBeijing muna 2008, kunyange hazvo zvinosuruvarisa kuti akatadza kupinda muMitambo yeOlympic ya2004 muAthens nemhaka yokukuvara. Aivewo nhengo yeBoomers pa1998 FIBA World Championship muAthens. 