| Tournament | Round | Annette Nienaber | Matthew Dowling |
| 26.04.1998 Nedlands (WA) | 5 | 360 | 335 |
| 28.05.2000 Melville (WA) | 2 | 352 | 390 |
| 08.07.2000 Bassendean (WA) | 6 | 282 | 331 |
| 10.09.2000 Yokine (WA) | 6 | 328 | 341 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 330.5 | 349.25 | |
| Spread: | -75 | 75 | |