| event | round | table | player one | result | player two |
| Grand Prix Washington DC 2010 | 12 | 61 | Kadooka, Toshiyuki (1835) | Lost 1-2 | Sharfman, David (1731) |
| Pro Tour Nagoya 2011 | 16 | 3 | Kadooka, Toshiyuki (1950) | ID | Sharfman, David (2070) |
| Pro Tour Nagoya 2011 | F | Kadooka, Toshiyuki (1985) | Lost 0-3 | Sharfman, David (2098) |