| Tournament | Round | Norma Engel | Diane Stoyan |
| 17.10.1999 Frankston (VIC) | 6 | 418 | 305 |
| 21.05.2000 Dandenong (VIC) | 5 | 363 | 405 |
| 19.11.2000 Geelong (VIC) | 3 | 299 | 437 |
| 25.03.2001 Langwarrin (VIC) | 2 | 315 | 407 |
| 26.08.2001 Eastern Suburbs (VIC) | 2 | 307 | 444 |
| 30.12.2012 Decathon (VIC) | 6 | 379 | 379 |
| Head-to-head after 6 games | 1.5 | 4.5 | |
| Average score | 346.83 | 396.16 | |
| Spread: | -296 | 296 | |