event | round | table | player one | result | player two |
Grand Prix Oakland 2010 | 5 | 1 | Zafra, Marcel Angelo (1761) | Won 2-0 | Martell, Tom (1811) |
Grand Prix Salt Lake City 2012 | 14 | 2 | Zafra, Marcel Angelo (1758) | Lost 0-2 | Martell, Tom (2154) |
Grand Prix Salt Lake City 2012 | Q | Zafra, Marcel Angelo (1747) | Lost 1-2 | Martell, Tom (2176) | |
Grand Prix Vancouver 2015 | 8 | 38 | Zafra, Marcel Angelo (1807) | Won 2-0 | Martell, Tom (1881) |