| Tournament | Round | Bronwyn Piechnick | Judy Mansfield |
| 20.02.2016 SA February (SA) | 4 | 304 | 328 |
| 28.01.2017 SA January (SA) | 4 | 322 | 318 |
| 15.09.2018 SA September (SA) | 4 | 346 | 297 |
| 23.02.2019 SA February (SA) | 3 | 257 | 380 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 307.25 | 330.75 | |
| Spread: | -94 | 94 | |