Japan was drawn with Sweden, Nigeria and Colombia in Group B for the men's Olympic soccer tournament on Thursday.
Japan's first game will be against Nigeria on Aug. 4, in Manaus, where the team will also play Colombia three days later. Makoto Teguramori's side wraps up the first round against Sweden on Aug. 10 in Salvador.
The top two in each of the four groups advance to the quarterfinals starting on Aug. 13. The final will be held at the Maracana in Rio de Janeiro on Aug. 20.