On November 16, 2018, he was selected for the Yomiuri Giants roster at the
2018 MLB Japan All-Star Series exhibition game against MLB All-Stars. On June 3, 2020, it was announced that Ohshiro and Giants teammate
Hayato Sakamoto both tested positive for
COVID-19. On June 19, 2025, Ohshiro hit a solo home run off of
Hokkaido Nippon-Ham Fighters pitcher
Koki Kitayama, breaking up a
perfect game that Kitayama had pitched until the bottom of the ninth inning, with one out. ==References==