event | round | table | player one | result | player two |
Grand Prix Yokohama 2003 | 8 | 85 | Arita, Ryuichi (1676) | Lost 1-2 | Kurihara, Shingou (1522) |
Grand Prix Yamagata 2006 | 9 | 3 | Arita, Ryuichi (1832) | Won 2-0 | Kurihara, Shingou (1855) |
Grand Prix Yamagata 2006 | 12 | 17 | Arita, Ryuichi (1851) | Lost 1-2 | Kurihara, Shingou (1870) |
Grand Prix Yokohama 2010 | 8 | 41 | Arita, Ryuichi (1819) | Won 2-1 | Kurihara, Shingou (1918) |