event | round | table | player one | result | player two |
Grand Prix Sapporo 2002 | 8 | 108 | Asahara, Akira (1766) | Lost 0-2 | Kuroda, Masashiro (1851) |
Grand Prix Kyoto 2003 | 9 | 18 | Asahara, Akira (1936) | Won 2-0 | Kuroda, Masashiro (1847) |
Grand Prix Yokohama 2004 | 4 | 5 | Asahara, Akira (1909) | Won 2-0 | Kuroda, Masashiro (2006) |
Grand Prix Okayama 2008 | 10 | 31 | Asahara, Akira (1922) | Won 2-0 | Kuroda, Masashiro (1880) |