Rousey won all three of her matches by ippon, throwing Natalie Laursen (Livermore, Calif. / Northern California Elite Team) in the first round and pinning Jennifer Tutass (El Cerrito, Calif. / Cunningham’s Judo) in the semifinal.
In the final, Rousey armbarred Katie Sell (Oshkosh, Wis. / USA Judo National Training Site at the Olympic Training Center) to win the match. Sell later defeated Tutass and will be the 70kg alternate.
source: USJUDO.org
Bonus Link: Ronda pinning opponent (youtube) video