The official Japanese Pokémon website has announced the Japan Cup 2013. It will take place in May in Japan and it is the
second Japan Cup Tournament. There is three entry categories: Junior (born after 2002), Senior (born between 1998 and 2001) and Master (born before 1997).
Our B2W2 Wi-Fi competitions page has been updated.
Tournament Details
Region: Japan
Registration Period: April 26th, 2013 at 13:00 until May 2nd, 2013 at 23:59
Tournament Period: May 3rd at 00:00 until May 6th, 2013 at 23:59
Battle Type: Double Battle
Pokémon Restrictions: National Dex
Banned Pokémon: Mewtwo, Mew, Lugia, Ho-Oh, Chatot, Celebi, Kyogre, Groudon, Rayquaza, Jirachi, Deoxys, Dialga, Palkia, Giratina, Phione, Manaphy, Darkrai, Shaymin, Arceus, Victini, Reshiram, Zekrom, Kyurem, Keldeo, Meloetta and Genesect
Source:
http://ja.pokemon-gl.com/about/sp/jc2013/