| Date | Tournament | State | Round | Derek McKenzie | Trevor Halsall |
|---|---|---|---|---|---|
| 25/01/1998 | City of Sydney International Masters | NSW | 8 | 380 | 408 |
| 21/01/1999 | City of Sydney Masters | NSW | 5 | 246 | 415 |
| 04/10/1999 | New South Wales Championships | NSW | 12 | 504 | 276 |
| 22/04/2000 | Australian Championships | QLD | 13 | 389 | 373 |
| 16/04/2001 | Australian Championships | VIC | 16 | 414 | 478 |
| 27/01/2002 | City of Sydney International Masters | NSW | 18 | 405 | 420 |
| 24/03/2008 | Australian Championship | VIC | 13 | 419 | 395 |
| 04/05/2008 | Queensland Championships | QLD | 15 | 433 | 373 |
| 08/04/2023 | AUS CHAMPS | VIC | 23 | 312 | 455 |
| Head-to-head after 9 games | 4 | 5 | |||
| Average score | 389.11 | 399.22 | |||
| Spread | -91 | 91 | |||