| Tournament | Round | Lay-Hoon Ng | Doreen Ivanovski |
| 18.08.2019 RYMAN CLASSIC (VIC) | 3 | 378 | 335 |
| 28.12.2021 Decathon 21 (VIC) | 9 | 328 | 478 |
| 26.06.2022 Vic June Tournament (VIC) | 4 | 300 | 401 |
| 27.12.2022 Decathon (VIC) | 5 | 368 | 453 |
| 27.12.2022 Decathon (VIC) | 10 | 357 | 342 |
| 09.07.2023 MIDWINTER (VIC) | 7 | 362 | 348 |
| 27.08.2023 August (VIC) | 2 | 401 | 394 |
| Head-to-head after 7 games | 4 | 3 | |
| Average score | 356.28 | 393 | |
| Spread: | -257 | 257 | |