| event | round | table | player one | result | player two |
| Grand Prix Kyoto 2017 | 13 | 5 | Nass, Matthew (1962) | Won 2-1 | Rountree, Collin (1993) |
| Grand Prix Denver 2017 | 7 | 5 | Nass, Matthew (2079) | Lost 0-2 | Rountree, Collin (1961) |
| Mythic Championship VI | 11 | 13 | Nass, Matthew (2044) | Won 2-0 | Rountree, Collin (1983) |