event | round | table | player one | result | player two |
Grand Prix Kitakyushu 2007 | 4 | 12 | Ishii, Taisuke (1606) | Lost 1-2 | Iyanaga, Junya (1892) |
Grand Prix Kitakyushu 2009 | 9 | 25 | Ishii, Taisuke (1782) | Won 2-0 | Iyanaga, Junya (1949) |
Grand Prix Kitakyushu 2009 | S | Ishii, Taisuke (1822) | Won 2-0 | Iyanaga, Junya (1968) |