It was the 40th edition of the event known this year as the Rakuten Japan Open Tennis Championships, and part of the 500 Series of the 2012 ATP World Tour.
Japan | 2012 | 2012 Summer Olympics | 2012 ATP Challenger Tour | Association of Tennis Professionals | Australian Open | French Open | The Championships, Wimbledon | Empire of Japan | Open University | open source | 2012 ATP World Tour | United States elections, 2012 | World Figure Skating Championships | U.S. Open | 2012 in radio | 2012 Summer Paralympics | Women's Tennis Association | Prime Minister of Japan | UEFA Euro 2012 | Tennis | Japan national football team | 2012 ITF Women's Circuit | ICF Canoe Sprint World Championships | Emperor of Japan | Voice acting in Japan | Sea of Japan | Wacken Open Air | IAAF World Championships in Athletics | 2004 IAAF World Indoor Championships |