| Tournament | Round | Annette Nienaber | Trish Marchand |
| 20.09.1998 Advanced Intermediate Recreation (WA) | 3 | 372 | 362 |
| 14.02.1999 Fremantle (WA) | 6 | 374 | 347 |
| 27.05.2001 Melville (WA) | 1 | 477 | 423 |
| Head-to-head after 3 games | 3 | 0 | |
| Average score | 407.66 | 377.33 | |
| Spread: | 91 | -91 | |