| event | round | table | player one | result | player two |
| Grand Prix Barcelona 2009 | 6 | 76 | Watanabe, Yuuya (1962) | Won 2-0 | Chapin, Patrick (1780) |
| Grand Prix Pittsburgh 2011 | S | Watanabe, Yuuya (2178) | Won 2-1 | Chapin, Patrick (2027) | |
| Grand Prix San Diego 2011 | 9 | 52 | Watanabe, Yuuya (2055) | Lost 1-2 | Chapin, Patrick (1957) |
| Pro Tour Journey into Nyx | 12 | 2 | Watanabe, Yuuya (2076) | Lost 1-2 | Chapin, Patrick (1945) |
| 2014 World Championship | 12 | 1 | Watanabe, Yuuya (2100) | Won 2-0 | Chapin, Patrick (2185) |