event | round | table | player one | result | player two |
Grand Prix Montreal 2011 | 13 | 33 | Hayne, Alexander (1693) | Won 2-1 | Costa, Matthew (1892) |
Grand Prix Atlanta 2012 | 7 | 22 | Hayne, Alexander (1955) | Won 2-1 | Costa, Matthew (1989) |
Grand Prix Denver 2013 | 10 | 54 | Hayne, Alexander (1917) | Won 2-1 | Costa, Matthew (1748) |
Grand Prix Pittsburgh 2015 | 7 | 10 | Hayne, Alexander (2226) | Won 2-0 | Costa, Matthew (1922) |