| Tournament | Round | Khwanjai Thammaping | Michael Smitheram |
| 02.04.2018 2018 National Championship (ACT) | 3 | 387 | 381 |
| 02.04.2018 2018 National Championship (ACT) | 21 | 431 | 362 |
| 08.04.2023 PLATE (VIC) | 23 | 310 | 393 |
| 07.06.2025 40th Anniv Vic Champs (VIC) | 6 | 361 | 421 |
| 07.06.2025 40th Anniv Vic Champs (VIC) | 9 | 394 | 387 |
| Head-to-head after 5 games | 3 | 2 | |
| Average score | 376.6 | 388.8 | |
| Spread: | -61 | 61 | |