<prompt> Pedzisa mutsara unotevera: Sechidiki, Ehrhoff akakwikwidza nechikwata cheGermany pasi pemakore gumi nemasere pamutambo wekutanga we1999 IIHF World U18 Championships, yakaitirwa muFüssen neKaufbeuren, Germany. Akadzoka gore rakatevera nokuda kwe2000 IIHF World U18 Championships muSwitzerland, uko Germany yakapedza panzvimbo yechinomwe. Ehrhoff akabva atanga pamutambo we under-20 muDivision I ye 2001 World Junior Championships. Kugamuchira mutambo mumaguta eFüssen neLandsberg, Germany yakarasikirwa nekusimudzirwa kumakwikwi makuru gore rinotevera nekupedza munzvimbo yechipiri kuseri kweFrance. Ehrhoff akaita chitarisiko chake chechipiri paDivision I level ye  <response>: 2002 World Junior Championships muAustria, achitungamirira vese vadziviriri vemakwikwi ane zvibodzwa zvitatu uye mapoinzi gumi mumitambo mishanu. Akabatsira Germany kuwana kukwidziridzwa kumutambo mukuru wegore rinotevera, achikunda Austria 71 mumutambo wemenduru yegoridhe. Mumakore ose ari maviri achikwikwidza mumutambo, Ehrhoff akawana rukudzo rweTop Defenceman. 