| Date | Tournament | State | Round | Dianne Gibson | Trevor Tao |
|---|---|---|---|---|---|
| 14/07/2013 | SA/Vic Border Challenge | SA | 4 | 363 | 510 |
| 16/10/2016 | Vic/SA Border Challenge | VIC | 8 | 414 | 443 |
| 22/10/2017 | SA/Vic Border Challenge | SA | 10 | 465 | 255 |
| 21/10/2018 | VicSA Border Challenge | VIC | 1 | 341 | 413 |
| Head-to-head after 4 games | 1 | 3 | |||
| Average score | 395.75 | 405.25 | |||
| Spread | -38 | 38 | |||