| Tournament | Round | Norma Engel | Gloria O |
| 14.06.1999 Victorian Championships (VIC) | 2 | 406 | 224 |
| 15.02.2004 Camberwell (VIC) | 5 | 318 | 411 |
| 28.11.2004 Bentleigh (VIC) | 5 | 357 | 330 |
| 17.02.2008 Camberwell (VIC) | 5 | 296 | 368 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 344.25 | 333.25 | |
| Spread: | 44 | -44 | |