| Tournament | Round | Margaret Gibson | Rene Chelton |
| 08.03.2015 SA Championship (SA) | 15 | 396 | 311 |
| 28.03.2016 Australian Championship (SA) | 21 | 389 | 354 |
| 10.09.2017 SUNDAY SIDE (SA) | 7 | 353 | 352 |
| 10.03.2019 SA Championship (SA) | 11 | 342 | 356 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 370 | 343.25 | |
| Spread: | 107 | -107 | |