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