
U.S. advances if:
It defeats Mexico
It loses to Mexico, allowing 1 run in a regulation game (8 innings in the field)
It loses to Mexico, but does not allow a 2nd run until after it has played 8 2/3 innings in the field
It loses to Mexico, but does not allow a 3rd run until after it has played 12 1/3 innings in the field
It ties with Mexico, allowing 3 runs in 14 innings
Japan advances if:
The U.S. loses to Mexico, and allows 2 runs or more before it has played 8 2/3 innings in the field
The U.S. loses to Mexico, and allows 3 runs or more before it has played 12 1/3 innings in the field
Mexico advances if:
It defeats the U.S., 3-0, in 13 innings