| Tournament | Round | Betty Egan | Cherry Chapman |
| 26.01.2008 Ballarat (VIC) | 6 | 382 | 400 |
| 14.10.2017 Geelong (VIC) | 3 | 384 | 382 |
| 03.08.2019 Saturday Sessions 4A (VIC) | 1 | 487 | 311 |
| 31.08.2019 sat sessions 4b (VIC) | 5 | 332 | 370 |
| 14.09.2019 Geelong (VIC) | 3 | 408 | 412 |
| Head-to-head after 5 games | 2 | 3 | |
| Average score | 398.6 | 375 | |
| Spread: | 118 | -118 | |