SAITAMA, Japan (AP) — The next challenge for the U.S. is rival Australia in the quarterfinals of the women's basketball tournament. The Opals beat the Americans in an exhibition last month in Las Vegas. And since play began at the Tokyo Games, the U.S. has continued to be tested unlike it any other time during its run of six consecutive Olympic gold medals. The other quarterfinal matchups on Wednesday include: Group A winner Spain against France, Group C winner China versus Serbia,  Group C second-place finisher Belgium takes on Japan.