| Tournament | Round | Margaret Thompson | Doris Marsden |
| 10.01.1999 Coominya Summer (QLD) | 5 | 289 | 346 |
| 09.01.2000 Coominya Summer (QLD) | 5 | 268 | 389 |
| 15.10.2000 Mindbenders Standard (QLD) | 1 | 294 | 333 |
| Head-to-head after 3 games | 0 | 3 | |
| Average score | 283.66 | 356 | |
| Spread: | -217 | 217 | |