| Date | Tournament | State | Round | Bettina Tonkin | Brian Harry |
|---|---|---|---|---|---|
| 11/07/1999 | Western Australian Masters | WA | 15 | 256 | 423 |
| 13/08/2000 | Western Australian Masters | WA | 2 | 349 | 336 |
| 12/08/2001 | Yokine | WA | 3 | 396 | 363 |
| 14/08/2011 | OPEN AUGUST | WA | 5 | 343 | 356 |
| 27/08/2017 | COOGEE | WA | 7 | 387 | 385 |
| Head-to-head after 5 games | 3 | 2 | |||
| Average score | 346.20 | 372.60 | |||
| Spread | -132 | 132 | |||