| Tournament | Round | Christine Foot | Betty Irwin |
| 21.05.2000 Ulladulla (NSW) | 12 | 439 | 306 |
| 24.11.2002 ACT Championships (ACT) | 5 | 315 | 356 |
| 20.05.2007 Ulladulla 2007 (NSW) | 1 | 383 | 371 |
| 20.05.2007 Ulladulla 2007 (NSW) | 14 | 408 | 324 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 386.25 | 339.25 | |
| Spread: | 188 | -188 | |