| event | round | table | player one | result | player two |
| Grand Prix Montreal 2007 | 8 | 33 | Turtenwald, Owen (1754) | Lost 0-0 | Nakajima, Chikara (1578) |
| Grand Prix Singapore 2011 | S | Turtenwald, Owen (2241) | Lost 1-2 | Nakajima, Chikara (1938) | |
| 2011 World Championship | 17 | 17 | Turtenwald, Owen (2129) | Won 2-0 | Nakajima, Chikara (2024) |