event | round | table | player one | result | player two |
Grand Prix Kobe 2009 | 10 | 51 | Watanabe, Yuuya (1948) | Won 2-1 | Hamamoto, Kenji (1728) |
Grand Prix Kobe 2009 | Q | Watanabe, Yuuya (1961) | Won 2-1 | Hamamoto, Kenji (1743) | |
Grand Prix Yokohama 2010 | 12 | 43 | Watanabe, Yuuya (1968) | Won 2-0 | Hamamoto, Kenji (1749) |