Ku qor sii wadida cutubkan - Laga soo bilaabo 2017, Hoshino wuxuu ka ciyaaray Japan Golf Tour. Guushiisii ugu horreysay waxay timid bishii Sebtember 2018 ee Fujisankei Classic oo uu ku guuleystay 5 garaac. Iyada oo siddeed ka mid ah 10ka ugu sareeya uu dhammeeyay 2018 isagoo ahaa guuleystaha 6aad ee ugu sarreeya lacagta safarka. Hoshino ayaa u soo baxday tartanka US Open 2018
, waa majorkiisii ugu horeeyay, halkaas oo uu ku seegay cut.