event | round | table | player one | result | player two |
Grand Prix Shizuoka 2003 | 10 | 2 | Shiozu, Ryouma (1948) | Lost 1-2 | Sasagawa, Tomohide (1687) |
Grand Prix Kitakyushu 2005 | 11 | 19 | Shiozu, Ryouma (1827) | Lost 0-2 | Sasagawa, Tomohide (1777) |
2006 World Championship | 8 | 101 | Shiozu, Ryouma (1895) | Lost 1-2 | Sasagawa, Tomohide (1717) |