event | round | table | player one | result | player two |
Grand Prix Matsuyama 2005 | 14 | 8 | Ishikawa, Masayo (1563) | Lost 1-2 | Morita, Masahiko (1958) |
Grand Prix Hiroshima 2006 | 5 | 90 | Ishikawa, Masayo (1550) | Won 2-1 | Morita, Masahiko (1923) |
Pro Tour Kyoto 2009 | 9 | 78 | Ishikawa, Masayo (1829) | Lost 1-2 | Morita, Masahiko (2067) |