| Tournament | Round | Trevor Halsall | Marie Knight |
| 15.04.1998 Australian Championships (TAS) | 19 | 347 | 441 |
| 05.04.1999 Australian Championships (NSW) | 5 | 396 | 332 |
| 04.10.1999 New South Wales Championships (NSW) | 14 | 411 | 331 |
| 30.01.2000 City of Sydney International Masters (NSW) | 10 | 392 | 321 |
| 30.01.2000 City of Sydney International Masters (NSW) | 17 | 378 | 458 |
| 22.04.2000 Australian Championships (QLD) | 8 | 355 | 310 |
| 12.06.2000 Victorian Championships (VIC) | 20 | 472 | 264 |
| 02.10.2000 New South Wales Championships (NSW) | 8 | 469 | 331 |
| Head-to-head after 8 games | 6 | 2 | |
| Average score | 402.5 | 348.5 | |
| Spread: | 432 | -432 | |