It was the 41st edition of the event known this year as the Rakuten Japan Open Tennis Championships, and part of the 500 Series of the 2013 ATP World Tour.
Japan | 2013 ATP Challenger Tour | Association of Tennis Professionals | 2013 | Australian Open | French Open | The Championships, Wimbledon | 2013 ATP World Tour | Empire of Japan | Open University | open source | 2013 Southeast Asian Games | 2013 ITF Women's Circuit | World Figure Skating Championships | U.S. Open | Women's Tennis Association | Prime Minister of Japan | Tennis | Japan national football team | 2013 WTA Tour | ICF Canoe Sprint World Championships | Emperor of Japan | 2013 Island Games | Voice acting in Japan | Sea of Japan | Wacken Open Air | IAAF World Championships in Athletics | Eurovision Song Contest 2013 | 2004 IAAF World Indoor Championships | The Open Championship |