event | round | table | player one | result | player two |
Grand Prix Quebec City 2013 | 14 | 33 | Costa, Matthew (1817) | Lost 1-2 | Shenhar, Shahar (2034) |
Grand Prix Ottawa 2014 | 8 | 3 | Costa, Matthew (1989) | Won 2-0 | Shenhar, Shahar (1929) |
Grand Prix Ottawa 2014 | 13 | 58 | Costa, Matthew (2028) | Lost 1-2 | Shenhar, Shahar (1975) |
Grand Prix New York 2016 | 14 | 4 | Costa, Matthew (1995) | Won 2-1 | Shenhar, Shahar (1914) |