1.   After a round robin series under the dual meet format, the undefeated Australians were doing battle in the pool later Monday against the United States.

2.   The American women will face Australia, which earlier in the night won its third consecutive round-robin in the dual meet format being used at the Games.

3.   Under the dual meet format, individual races offer five points for a win, three for second and one for third.

4.   That means breaking free of the traditional meet format and pushing rivalries harder to produce peak efforts in one-on-one efforts.