| event | round | table | player one | result | player two |
| Pro Tour New Orleans 2003 | S | Nassif, Gabriel (2183) | Won 3-2 | Oiso, Masashi (1974) | |
| 2004 World Championship | 5 | 20 | Nassif, Gabriel (1988) | Won 2-1 | Oiso, Masashi (1934) |
| Pro Tour Los Angeles 2005 | 13 | 13 | Nassif, Gabriel (1882) | Won 1-0 | Oiso, Masashi (2149) |
| 2006 World Championship | 12 | 10 | Nassif, Gabriel (1936) | Lost 1-2 | Oiso, Masashi (1868) |