| event | round | table | player one | result | player two |
| Pro Tour Chicago 1999 | 13 | 36 | Kastle, Darwin (1755) | Won 2-0 | Pustilnik, Michael (1710) |
| Grand Prix Philadelphia 2000 | 12 | 18 | Kastle, Darwin (1897) | Won 0-0 | Pustilnik, Michael (1649) |
| Grand Prix Cleveland 2002 | 5 | 9 | Kastle, Darwin (1814) | Draw 1-1 | Pustilnik, Michael (1937) |
| 2003 World Championship | 17 | 20 | Kastle, Darwin (1926) | Lost 0-2 | Pustilnik, Michael (1820) |