event | round | table | player one | result | player two |
Grand Prix Hiroshima 2003 | 7 | 20 | Nakatani, Haruki (1578) | Lost 0-2 | Arita, Ryuichi (1665) |
Grand Prix Okayama 2004 | 11 | 20 | Nakatani, Haruki (1603) | Won 2-0 | Arita, Ryuichi (1714) |
Pro Tour Yokohama 2007 | 7 | 47 | Nakatani, Haruki (1648) | Lost 0-2 | Arita, Ryuichi (1842) |