event | round | table | player one | result | player two |
Grand Prix Okayama 2004 | 10 | 25 | Nakamura, Shuhei (1864) | Draw 1-1 | Ibamoto, Masami (1743) |
Grand Prix Sendai 2004 | 11 | 21 | Nakamura, Shuhei (1871) | Lost 1-2 | Ibamoto, Masami (1746) |
Grand Prix Kitakyushu 2005 | 4 | 28 | Nakamura, Shuhei (1983) | Lost 1-2 | Ibamoto, Masami (1635) |
Pro Tour Prague 2006 | 9 | 25 | Nakamura, Shuhei (1989) | Won 2-0 | Ibamoto, Masami (1743) |