Masahiko Morita trails the series against
Tomoharu Saito, 2-3-1.
| event |
round |
table |
player one |
result |
player two |
| Grand Prix Bangkok 2003 | 5 | 7 | Morita, Masahiko (1865) | Won 2-0 | Saito, Tomoharu (1665) |
| Grand Prix Yokohama 2004 | 11 | 2 | Morita, Masahiko (1997) | Won 2-0 | Saito, Tomoharu (1887) |
| Grand Prix Beijing 2005 | 10 | 3 | Morita, Masahiko (2141) | Lost 1-2 | Saito, Tomoharu (1862) |
| Grand Prix Yamagata 2006 | 9 | 30 | Morita, Masahiko (1991) | Lost 0-2 | Saito, Tomoharu (1990) |
| Grand Prix Yamagata 2006 | 13 | 11 | Morita, Masahiko (1947) | Draw 1-1 | Saito, Tomoharu (1950) |
| 2007 World Championship | 2 | 144 | Morita, Masahiko (2126) | Lost 0-2 | Saito, Tomoharu (2011) |