Katsuhiro Mori trails the series against
Shota Yasooka, 3-4.
| event |
round |
table |
player one |
result |
player two |
| Pro Tour Kobe 2004 | 6 | 13 | Mori, Katsuhiro (1922) | Won 2-1 | Yasooka, Shota (1598) |
| Grand Prix Singapore 2005 | 14 | 7 | Mori, Katsuhiro (1983) | Won 2-0 | Yasooka, Shota (1731) |
| Grand Prix Kitakyushu 2007 | 14 | 27 | Mori, Katsuhiro (2036) | Lost 0-2 | Yasooka, Shota (1962) |
| Grand Prix Kitakyushu 2009 | 8 | 13 | Mori, Katsuhiro (1986) | Lost 0-2 | Yasooka, Shota (1855) |
| Grand Prix San Diego 2011 | 14 | 8 | Mori, Katsuhiro (1953) | Lost 0-2 | Yasooka, Shota (2070) |
| Grand Prix Yokohama 2012 | 15 | 39 | Mori, Katsuhiro (2027) | Lost 1-2 | Yasooka, Shota (2076) |
| Pro Tour Hour of Devastation | 3 | 30 | Mori, Katsuhiro (1964) | Won 2-0 | Yasooka, Shota (2079) |