TOKYO—Daiki Hashimoto kept Japan’s grip on the Olympic men’s gymnastics all-around crown in breathtaking style on Wednesday, leaving the few watching inside Ariake arena roaring and a bitter China filing an inquiry.
With the host nation’s “King” Kohei Uchimura, Olympic all-around champion in 2012 and 2016, choosing not to defend his title in Tokyo, it was left to his heir apparent Hashimoto to step up.





