At the Aichi-Nagoya Asian Games, Mitsunaga Shōon (光永翔音) won the gold medal in a Japanese-record time of 50.56 seconds in swimming. Ueno Yuka (上野優佳) also won gold in the women's individual foil event.
On the fifth day of the Asian Games, Mitsunaga Shōon (光永翔音) of Chuo University won the men's 100m butterfly in a Japanese-record time of 50.56 seconds to claim the gold medal. Japan thereby set a new record in the event.
On the same day, Ueno Yuka (上野優佳) of Air Water won the gold medal in the women's individual foil event. She put in a consistent performance through the final, demonstrating her status as one of Japan's top competitors.
In other events, Japan finished second in the team all-around in gymnastics, while China secured the top spot with its third consecutive win. Yamanishi Toshikazu (山西利和) of Aichi Steel won silver in the half-marathon race walk. Japan also reached the podium in several events, including team silver in equestrian sports and bronze for Oiwa Yoshiaki (大岩義明) in the individual event.
Japan continued to record wins in other sports that day, with the women's badminton team reaching the semifinals, the baseball team defeating the Philippines in the first round-robin stage, and Japan's under-21 football team beating Thailand, producing strong overall results.