| Tournament | Round | Trevor Halsall | Howard Warner |
| 31.10.1999 Geelong (VIC) | 4 | 395 | 351 |
| 27.11.2000 Trans Tasman (VIC) | 5 | 345 | 444 |
| 27.11.2000 Trans Tasman (VIC) | 17 | 383 | 455 |
| 16.01.2005 Aestival (VIC) | 6 | 432 | 465 |
| 20.02.2005 Nunawading Matchplay Qualifier (VIC) | 8 | 375 | 429 |
| 20.10.2013 Flight and Fight (VIC) | 5 | 532 | 418 |
| 20.10.2013 Flight and Fight (VIC) | 6 | 481 | 419 |
| 07.11.2022 Trans-Tasman Challenge (NSW) | 5 | 431 | 392 |
| 07.11.2022 Trans-Tasman Challenge (NSW) | 28 | 361 | 426 |
| Head-to-head after 9 games | 4 | 5 | |
| Average score | 415 | 422.11 | |
| Spread: | -64 | 64 | |