Rubuta ci gaba don wannan sakin layi - A karo na farko tun lokacin da ya fara gasar cin kofin duniya a gasar cin kofin duniya ta 2013, Shirai bai cancanci shiga tawagar 'yan wasan Japan ta AG ba; don haka, rashin iya shiga gasar zakarun duniya na wasan motsa jiki na 2019 a Stuttgart, Jamus, a ranar 4 zuwa 13 ga Oktoba, 2019. Ayyukan Shirai sun yi jinkiri ga mafi yawan kakar 2019 ta hanyar raunin ƙafar hagu mai taurin kai da damuwa, wanda ya haifar da shi ba zai iya yin gasa mafi kyau ba a lokacin Gasar Wasanni ta All-Japan na 2019 cewa sakamakon da aka samu a can da kuma a NHK Trophy na 2019 ya ƙayyade cancantar wasan motsa jiki don shiga cikin tawagar 'yan wasan Japan a gasar cin kofin duniya ta 2019. Shirai ta mafi kyau damar da aka samun daya daga biyu spots samuwa a kan gwani na'urar mutane, musamman da sa hannu events a kan FX da VT. Koyaya, Shirai kawai ya sami matsayi na 3 a FX, kuma na 5 a VT wanda ya sa bai cancanci shiga WC ba, kuma bai iya kare lambobin duniya daga 2018 ba. Hakanan, kamar yadda Shirai ba shine kawai babban mai halarta ba (Kōhei Uchimura ba ya nan saboda raunin da ya faru), maza na Japan sun aika da ƙungiyar da ba ta da ƙwarewa sosai a gasar cin kofin duniya ta 2019
inda gasar maza ta mamaye wasu ƙasashe. Shirai ya yi aiki tuƙuru don dawowa cikin yanayin gasa na tsawon lokaci na ƙoƙarin murmurewa daga raunin da ya faru, sannan ya yi tsatsa a kowane taron.