David Humpherys trails the series against
Kai Budde, 1-4-1.
| event |
round |
table |
player one |
result |
player two |
| Pro Tour New York 1999 | 9 | 7 | Humpherys, David (1739) | Lost 0-2 | Budde, Kai (1850) |
| 1999 World Championship | 10 | 19 | Humpherys, David (1779) | Draw 0-0 | Budde, Kai (1802) |
| Grand Prix Amsterdam 2001 | 13 | 9 | Humpherys, David (1891) | Won 2-0 | Budde, Kai (2021) |
| Pro Tour New Orleans 2001 | S | | Humpherys, David (2043) | Lost 0-3 | Budde, Kai (2127) |
| 2003 World Championship | 9 | 19 | Humpherys, David (1923) | Lost 0-2 | Budde, Kai (1948) |
| 2006 World Championship | 10 | 82 | Humpherys, David (1831) | Lost 0-2 | Budde, Kai (1811) |