| Tournament | Round | Khwanjai Thammaping | Susan Roberts |
| 28.03.2016 Australian Championship (SA) | 19 | 342 | 384 |
| 22.10.2017 SA/Vic Border Challenge (SA) | 6 | 317 | 411 |
| 21.10.2018 VicSA Border Challenge (VIC) | 7 | 446 | 336 |
| Head-to-head after 3 games | 1 | 2 | |
| Average score | 368.33 | 377 | |
| Spread: | -26 | 26 | |