| Tournament | Round | Cynthia Cook | Helene Slode |
| 27.09.1998 Essendon (VIC) | 2 | 350 | 343 |
| 21.02.1999 Camberwell (VIC) | 6 | 345 | 327 |
| 23.05.1999 Dandenong (VIC) | 2 | 305 | 328 |
| 18.07.1999 Nunawading (VIC) | 5 | 273 | 321 |
| 05.08.2001 Knox (VIC) | 1 | 385 | 360 |
| Head-to-head after 5 games | 3 | 2 | |
| Average score | 331.6 | 335.8 | |
| Spread: | -21 | 21 | |