<prompt> Pedzisa mutsara unotevera: Mumwaka wake wokutanga mukuru akawana menduru yendarira pa2011 Heidenheim World Cup uye menduru yesirivha pa2015 Vancouver World Cup. Migumisiro iyi yakamuita kuti asarudzirwe  <response>: 2011 European Championships muSheffield. Mumutambo mumwe nomumwe Gustin akakunda Géza Imre weHungary naBenjamin Steffen weSwitzerland, asi akawira kuna Max Heinzer, zvakare kubva kuSwitzerland, mutafura ye16. Mumutambo wechikwata France yakakurira Switzerland, Ukraine neHungary kuti ikunde menduru yegoridhe. 