Kammala jumla mai zuwa: A kakar wasan farko da ya fara ya sami lambar tagulla a gasar cin kofin duniya ta Heidenheim ta 2011 da lambar azurfa a gasar cin kofin duniya ta Vancouver ta 2015. Wadannan sakamakon sun sa aka zaba shi don
Gasar Zakarun Turai ta 2011 a Sheffield. A wasan mutum Gustin ya doke Géza Imre na Hungary da Benjamin Steffen na Switzerland, amma ya fadi ga Max Heinzer, shi ma daga Switzerland, a teburin 16. A wasan kungiya, Faransa ta ci nasara a kan Switzerland, Ukraine da Hungary don lashe lambar zinare.