In the Venice Cup for women's teams, China led after seven rounds.
The women's trial will produce the two teams for the Venice Cup.
The other event is the Venice Cup for women's teams.
In the Venice Cup, again the last-round excitement concerned eighth place.
A French team has also been added to the Venice Cup for women's teams.
The bronze medalist joined them for their first world championship in the 2009 Venice Cup.
In between they have twice won the Venice Cup, the other world women's team title, and have been second once.
Another American team, in the Venice Cup for women's teams, had to wait more than hour after the end of play to know its result.
Alternatively, the Venice Cup is the trophy awarded to the winning team.
The final of the Venice Cup for women's teams, played Friday, was equally dramatic.