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