| Tournament | Round | Alex Boiko | Arnold Appelhof |
| 31.07.2016 Winter Masters (NSW) | 16 | 421 | 353 |
| 25.08.2019 WESPA Seniors 2019 (QLD) | 9 | 372 | 414 |
| 16.07.2023 2023 Winter Masters (NSW) | 4 | 409 | 340 |
| 04.04.2026 AUS CHAMPS (ACT) | 3 | 398 | 387 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 400 | 373.5 | |
| Spread: | 106 | -106 | |