, 5-1.
| event |
round |
table |
player one |
result |
player two |
| Grand Prix Nagoya 2004 | 9 | 48 | Ishimura, Shintaro (1588) | Won 2-0 | Tsumura, Kenji (1562) |
| Grand Prix Shizuoka 2008 | 9 | 26 | Ishimura, Shintaro (1834) | Lost 1-2 | Tsumura, Kenji (2014) |
| Pro Tour Oath of the Gatewatch | 7 | 113 | Ishimura, Shintaro (1953) | Won 2-1 | Tsumura, Kenji (1813) |
| Pro Tour Shadows over Innistrad | 13 | 48 | Ishimura, Shintaro (1996) | Won 2-0 | Tsumura, Kenji (1800) |
| Grand Prix Tokyo 2016 | 8 | 29 | Ishimura, Shintaro (2065) | Won 2-1 | Tsumura, Kenji (1787) |
| Pro Tour Aether Revolt | 2 | 30 | Ishimura, Shintaro (2082) | Won 2-1 | Tsumura, Kenji (1847) |