is a multi-purpose indoor arena located in Chūō-ku, Saitama, Saitama Prefecture, Japan. It opened preliminarily on May 5, 2000, and then was officially opened on September 1 of the same year. Its maximum spectator capacity is 36,500, making it the second-largest indoor arena in the world. The main arena capacity is between 19,000 and 22,500. The arena was designed by Dan Meis, who at the time was working for architecture firm Ellerbe Becket, together with Nikken Sekkei. Meis's design was selected as a result of an international design competition. The arena features a gigantic movable section of seating which can reduce capacity for smaller events and create a more intimate setting. It is a favorite venue for puroresu (Japanese professional wrestling) and mixed martial arts (MMA). It has also hosted other sports events such as boxing, basketball, volleyball, tennis, ice hockey, and gymnastics. It is the only Japanese arena equipped especially for American football. It formerly housed the John Lennon Museum, which displayed John Lennon memorabilia and closed in 2010. Events Mixed martial arts and professional wrestling The Saitama Super Arena hosted a special WWE Smackdown event that took place on February 5, 2005 and was later broadcast on February 10, 2005. The event is famously remembered for the "Kimono Match" that took place between Torrie Wilson and Hiroko Suzuki (a Japanese native who would later be elected to the Funabashi city council as part of a political career). Hiroko was defeated after losing her kimono, being stripped down to her bra and panties at the hands of Torrie. The Saitama Super Arena has hosted a major martial arts event on New Year's Eve since 2001. It was sanctioned by Pride Fighting Championships from 2003 to 2006. The 2007 edition was hosted by Yarennoka, an MMA promotion organized by the former staff members of Pride Fighting Championship. Dynamite!! 2008 featured Dream and K-1 fights. Dynamite!! 2009 featured fights by Dream, Sengoku and K-1. Dynamite!! 2010 featured Dream and K-1 fights. Fight For Japan: Genki Desu Ka Omisoka 2011 featured fights by Dream, K-1 and IGF. The 2012 edition featured Dream and Glory fights. Since 2015 the event is the final round of the Rizin Fighting Federation. On November 29, 2009, the arena hosted one of the biggest fights in Japan's history, with WBC Flyweight Champion Daisuke Naito defending his title against Koki Kameda. The arena hosted the Japanese return of