| Tournament | Round | Betty Irwin | Madeleine Emerson |
| 05.12.1999 ACT Christmas Capers (ACT) | 8 | 402 | 272 |
| 09.12.2001 ACT Championships (ACT) | 7 | 337 | 329 |
| 23.11.2003 ACT Championships (ACT) | 6 | 357 | 312 |
| Head-to-head after 3 games | 3 | 0 | |
| Average score | 365.33 | 304.33 | |
| Spread: | 183 | -183 | |