| Tournament | Round | Anne Zion | Ann Simms |
| 07.12.2014 Dec OPEN (WA) | 1 | 522 | 252 |
| 30.10.2016 OCTOP16 (WA) | 1 | 392 | 304 |
| 09.12.2018 DEC OPEN (WA) | 1 | 413 | 298 |
| 17.02.2019 Feb Open (WA) | 2 | 599 | 219 |
| Head-to-head after 4 games | 4 | 0 | |
| Average score | 481.5 | 268.25 | |
| Spread: | 853 | -853 | |