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