| Tournament | Round | Dianne Davis | Ros Gibbons |
| 26.07.1998 Winter Masters (NSW) | 3 | 389 | 306 |
| 14.06.1999 Victorian Championships (VIC) | 9 | 447 | 353 |
| 30.01.2000 City of Sydney International Masters (NSW) | 7 | 386 | 356 |
| 06.05.2001 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 8 | 350 | 300 |
| Head-to-head after 4 games | 4 | 0 | |
| Average score | 393 | 328.75 | |
| Spread: | 257 | -257 | |