Tomoharu Saito trails the series against
Tzu-Ching Kuo, 3-4-1.
| event |
round |
table |
player one |
result |
player two |
| Grand Prix Taipei 2005 | 5 | 4 | Saito, Tomoharu (1890) | Lost 1-2 | Kuo, Tzu-Ching (1679) |
| Pro Tour Kyoto 2009 | 1 | 98 | Saito, Tomoharu (1780) | Lost 1-2 | Kuo, Tzu-Ching (1762) |
| Grand Prix Kobe 2009 | 14 | 26 | Saito, Tomoharu (2128) | ID | Kuo, Tzu-Ching (1936) |
| Grand Prix Kobe 2009 | S | | Saito, Tomoharu (2142) | Won 2-0 | Kuo, Tzu-Ching (1950) |
| Pro Tour Honolulu 2009 | 10 | 16 | Saito, Tomoharu (2141) | Lost 1-2 | Kuo, Tzu-Ching (1950) |
| Grand Prix Niigata 2009 | 8 | 8 | Saito, Tomoharu (1998) | Lost 1-2 | Kuo, Tzu-Ching (1893) |
| Grand Prix Washington DC 2010 | 12 | 80 | Saito, Tomoharu (1936) | Won 2-1 | Kuo, Tzu-Ching (1944) |
| Grand Prix Manila 2017 | 11 | 17 | Saito, Tomoharu (2043) | Won 2-0 | Kuo, Tzu-Ching (1944) |