| Tournament | Round | Trevor Halsall | Ros Gibbons |
| 25.01.1998 City of Sydney International Masters (NSW) | 5 | 394 | 400 |
| 17.04.1999 Central Coast - Wyong (NSW) | 2 | 293 | 256 |
| 08.05.1999 Hassall Grove (NSW) | 1 | 363 | 295 |
| 06.05.2001 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 6 | 350 | 300 |
| 09.12.2001 ACT Championships (ACT) | 2 | 394 | 379 |
| Head-to-head after 5 games | 4 | 1 | |
| Average score | 358.8 | 326 | |
| Spread: | 164 | -164 | |