| event | round | table | player one | result | player two |
| Pro Tour Nagoya 2005 | 8 | 33 | Shiozu, Ryouma (2003) | Lost 0-2 | Jonsson, Anton (2116) |
| Pro Tour Nagoya 2005 | 11 | 31 | Shiozu, Ryouma (1981) | Won 2-0 | Jonsson, Anton (2123) |
| Pro Tour Prague 2006 | 12 | 42 | Shiozu, Ryouma (1945) | Lost 0-2 | Jonsson, Anton (1934) |
| 2006 World Championship | 5 | 88 | Shiozu, Ryouma (1848) | Won 2-0 | Jonsson, Anton (1841) |