| Tournament | Round | Lainie Mercieca | Arnold Appelhof |
| 29.11.2015 Southport Summer (QLD) | 2 | 389 | 417 |
| 16.04.2022 Australian Championship (QLD) | 3 | 443 | 341 |
| 08.04.2023 AUS CHAMPS (VIC) | 8 | 367 | 378 |
| Head-to-head after 3 games | 1 | 2 | |
| Average score | 399.66 | 378.66 | |
| Spread: | 63 | -63 | |