| event | round | table | player one | result | player two |
| 2002 World Championship | 12 | 53 | Ishida, Itaru (1754) | Won 2-1 | Cunningham, Jeff (1914) |
| 2003 World Championship | 5 | 25 | Ishida, Itaru (1965) | Won 2-1 | Cunningham, Jeff (1980) |
| Pro Tour Columbus 2004 | 4 | 45 | Ishida, Itaru (1833) | Lost 0-2 | Cunningham, Jeff (1955) |
| Pro Tour Los Angeles 2005 | 3 | 107 | Ishida, Itaru (1943) | Won 2-1 | Cunningham, Jeff (1906) |