event | round | table | player one | result | player two |
Grand Prix Manila 2008 | 7 | 43 | Sugaya, Hironobu (1658) | Won 2-1 | Iyanaga, Junya (1981) |
Grand Prix Singapore 2009 | 13 | 11 | Sugaya, Hironobu (1836) | Lost 1-2 | Iyanaga, Junya (1945) |
Grand Prix Kitakyushu 2009 | 14 | 35 | Sugaya, Hironobu (1924) | ID | Iyanaga, Junya (1951) |
Grand Prix Kitakyushu 2009 | Q | Sugaya, Hironobu (1924) | Lost 1-2 | Iyanaga, Junya (1951) |