| Date | Tournament | State | Round | Betty Mitchell | Claire Humzy |
|---|---|---|---|---|---|
| 22/11/1998 | Xmas | SA | 4 | 277 | 343 |
| 14/02/1999 | South Australian Championships | SA | 5 | 350 | 362 |
| 21/03/1999 | March | SA | 2 | 328 | 347 |
| 18/07/2010 | SA Pub July | SA | 4 | 351 | 340 |
| Head-to-head after 4 games | 1 | 3 | |||
| Average score | 326.50 | 348.00 | |||
| Spread | -86 | 86 | |||