| event | round | table | player one | result | player two |
| Grand Prix Kobe 2001 | 9 | 75 | Shiki, Kazumasa (1520) | Lost 1-2 | Okugawa, Shoji (1558) |
| Grand Prix Shizuoka 2003 | 9 | 28 | Shiki, Kazumasa (1736) | Lost 0-2 | Okugawa, Shoji (1664) |
| Grand Prix Nagoya 2004 | 11 | 31 | Shiki, Kazumasa (1943) | Won 2-1 | Okugawa, Shoji (1745) |