event | round | table | player one | result | player two |
Grand Prix Yamagata 2006 | 7 | 83 | Saito, Tomoharu (1959) | Won 2-0 | Shiozu, Ryouma (1885) |
Grand Prix Kitakyushu 2007 | 8 | 1 | Saito, Tomoharu (2008) | Lost 1-2 | Shiozu, Ryouma (1805) |
Grand Prix Kobe 2009 | Q | Saito, Tomoharu (2128) | Won 2-0 | Shiozu, Ryouma (1914) |