Arnold was The Associated Press girls basketball player of the year in Wisconsin for the 2020-21 season.
Cardinals junior Jacob Baldwin and freshman Nikko Vilwock knock out the third-seeded doubles team before falling in the quarterfinals.
The seniors advance to next week's Division 1 state meet in four events apiece.
The eighth-seed junior will meet ninth-seeded Nolan Kubiak of Neenah for a spot in the quarterfinals.
First baseman hits game-winning single off Devin Williams in the 10th inning.
Madison led 9-2 after five innings.