| event | round | table | player one | result | player two |
| Grand Prix Shizuoka 2001 | 13 | 1 | Shiozu, Ryouma (1817) | ID | Morita, Masahiko (1727) |
| Grand Prix Shizuoka 2001 | S | Shiozu, Ryouma (1832) | Lost 0-2 | Morita, Masahiko (1743) | |
| Grand Prix Kobe 2009 | 11 | 9 | Shiozu, Ryouma (1890) | Won 2-1 | Morita, Masahiko (2079) |