| Tournament | 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 | 346.2 | 372.6 | |
| Spread: | -132 | 132 | |