event | round | table | player one | result | player two |
Grand Prix Paris 2011 | 7 | 508 | Sharfman, David (1943) | Lost 1-2 | Watanabe, Yuuya (2026) |
Grand Prix Atlanta 2014 | 9 | 242 | Sharfman, David (2038) | Lost 1-2 | Watanabe, Yuuya (2041) |
Grand Prix Washington DC 2014 | 12 | 16 | Sharfman, David (2013) | Draw 1-1 | Watanabe, Yuuya (2123) |