Kammala jumla mai zuwa: A ranar 21 zuwa 23 ga Yuni, 2019, Shirai ya yi gasa a Gasar Cin Kofin Kayan Jirgin Sama ta 2019 a Takasaki, Japan, yana fatan zai yi kyau sosai don tabbatar da matsayi a tawagar 'yan wasan Japan, kuma ya yi gasa a gasar
2019 Gasar Gasar Gymnastics ta Duniya a Stuttgart, Jamus. A ƙarshe ba a nufin ya zama shekararsa ba. Shirai ya cancanci shiga wasan karshe na wasan mutum musamman a wasan motsa jiki na kasa, vault da bar na kwance a matsayi na biyu, na huɗu da na shida. A cikin wadannan wasan karshe, ya gama a matsayi na uku (14.900), na biyar (14.433) da na takwas (11.200), bi da bi ga kowane ɗayan waɗannan na'urori uku. A gaba da Shirai a wasan motsa jiki na kasa sune Kazuki Minami tare da jimlar maki 15.033, da Naoto Hayasaka tare da jimlar maki 15.000. Babban mai kammala su a kan vault shi ne Keitoro Okubo, yana ba da matsakaicin jimillar maki 15.233, kuma wanda ya lashe mashaya mai kwance shi ne Hirohito Kahama tare da jimillar maki 14.766. Lambobin D-score na Shirai sun kasance a saman dukkan masu zuwa karshe. Koyaya, aiwatar da shi yana buƙatar ƙarin aiki, kuma zai iya zama mafi tsabta, wanda hakan ya nuna akan ƙimar E-na yau da kullun. Darajojin D-score na Shirai sun kasance mafi ƙaranci - ɗaya kawai tare da mafi ƙarancin 5.2 - kuma yana buƙatar lambobin tushe mafi girma kafin ya iya ƙalubalantar manyan masu tsalle-tsalle.