| Tournament | Round | Louisa Atsas | Margaret Sella |
| 08.03.2015 SA Championship (SA) | 1 | 442 | 287 |
| 21.01.2024 MEL LECKIE (SA) | 2 | 321 | 425 |
| 18.02.2024 SA February (SA) | 1 | 405 | 307 |
| 21.07.2024 SA July (SA) | 2 | 291 | 400 |
| 19.01.2025 Mel Leckie (SA) | 5 | 299 | 396 |
| 06.04.2025 SA April (SA) | 6 | 366 | 355 |
| 01.06.2025 SA June (SA) | 5 | 364 | 306 |
| 06.07.2025 SA July (SA) | 6 | 404 | 395 |
| 14.09.2025 SA September (SA) | 3 | 467 | 295 |
| 12.10.2025 SA October (SA) | 2 | 332 | 495 |
| 18.01.2026 Mel Leckie (SA) | 5 | 336 | 326 |
| Head-to-head after 11 games | 7 | 4 | |
| Average score | 366.09 | 362.45 | |
| Spread: | 40 | -40 | |