event | round | table | player one | result | player two |
Grand Prix Bangkok 2007 | 5 | 50 | Kitayama, Masaya (1806) | Won 2-0 | Watanabe, Yuuya (1815) |
Grand Prix Niigata 2009 | 6 | 2 | Kitayama, Masaya (1900) | Won 2-1 | Watanabe, Yuuya (1951) |
Pro Tour Amsterdam 2010 | 3 | 116 | Kitayama, Masaya (1949) | Lost 0-2 | Watanabe, Yuuya (2010) |
Grand Prix Hiroshima 2011 | 12 | 48 | Kitayama, Masaya (1841) | Lost 0-2 | Watanabe, Yuuya (2029) |