Jewels 6th Ring
Jewels 6th Ring was a mixed martial arts (MMA) event held by MMA promotion Jewels. It took place on at Shinjuku Face in Kabukicho, Tokyo, Japan.<ref name="JEWELS - 12/11/2009: Controversial Finish, ROUGH STONE GP Finals and More - Official Results"></ref> Background. The event featured the Rough stone grand prix tournament finals, in which Asami Kodera, Mika Nagano and Alexandra Sanchez became the first Jewels champions. The first fights and participants besides the Rough stone GP card were announced on .<ref name="12/11 Jewels 6th Ring - Fights Announced"></ref> On , Saori Ishioka and Sally Krumdiack along with two more fights  were added to the event.<ref name="12/11 Jewels 6th Ring - Fights Announced (2)"></ref> Mari Kaneko was added to the card and it was announced that the event was sold out on .<ref name="12/11 Jewels 6th Ring - Fight Announced and Sold Out!"></ref> The fight order announcement and weigh-ins were done on .<ref name="12/11 Jewels 6th Ring - Fight Order and Weigh-in"></ref> Hisae Watanabe was expected to make her return to MMA in this event, but suffered a broken foot during training and was unable to participate.