Though they are the home team, Japan is the lowest-ranked team in the 2020 Olympics at No. 42, Washington Wizards forward Rui Hachimura and his team want to make sure they play at a high level once the actual games begin next week. It will be tough to get out of a group that features Spain, Argentina and Slovenia, but again, the games still have to be played.
In the meantime, they have prepared for the Olympics with a series of friendlies. Their most recent was yesterday when they defeated Belgium, 87-59 in Saitama, Japan, getting revenge after losing to the Lions 73-70 on July 9 (link in Dutch).