| Tournament | Round | George Khamis | Jan Chapman |
| 04.06.2016 Central Coast (NSW) | 6 | 357 | 365 |
| 02.06.2018 Central Coast (NSW) | 6 | 345 | 279 |
| 01.03.2020 Empire Bay Mini (1) (NSW) | 1 | 453 | 343 |
| 23.05.2021 EmpireBayMay (NSW) | 3 | 369 | 326 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 381 | 328.25 | |
| Spread: | 211 | -211 | |