| Tournament | Round | Bettina Tonkin | Naomi Zion |
| 17.02.2019 Feb Open (WA) | 3 | 369 | 312 |
| 15.09.2024 Bassendean 2024 (WA) | 5 | 467 | 347 |
| 09.03.2025 March Trisection (WA) | 3 | 368 | 365 |
| 17.08.2025 Bassendean 2025 (WA) | 4 | 304 | 454 |
| 14.09.2025 Glenys Lawrie Memorial (WA) | 3 | 252 | 339 |
| 09.11.2025 November Bisection (WA) | 7 | 276 | 442 |
| 08.02.2026 February Bi-section (WA) | 7 | 334 | 335 |
| 08.03.2026 March Trisect (WA) | 2 | 298 | 339 |
| Head-to-head after 8 games | 3 | 5 | |
| Average score | 333.5 | 366.62 | |
| Spread: | -265 | 265 | |