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