| Tournament | Round | Khwanjai Thammaping | Betty Egan |
| 11.11.2007 Geelong (VIC) | 3 | 414 | 358 |
| 30.12.2007 DECATHON (VIC) | 4 | 397 | 315 |
| 26.01.2008 Ballarat (VIC) | 4 | 331 | 361 |
| 09.11.2008 Geelong (VIC) | 1 | 360 | 346 |
| 15.02.2009 Camberwell (VIC) | 5 | 358 | 353 |
| 08.06.2009 Vic Championship (VIC) | 2 | 357 | 431 |
| 08.06.2009 Vic Championship (VIC) | 13 | 383 | 365 |
| 08.06.2009 Vic Championship (VIC) | 20 | 306 | 393 |
| 21.04.2014 Australian Championship (NSW) | 11 | 345 | 336 |
| 09.06.2014 Vic Champs (VIC) | 13 | 380 | 383 |
| 28.03.2016 Australian Championship (SA) | 7 | 335 | 380 |
| 14.01.2018 Aestival (VIC) | 7 | 381 | 389 |
| 02.04.2018 2018 National Championship (ACT) | 4 | 360 | 384 |
| 14.04.2018 Saturday Session IV (VIC) | 2 | 396 | 402 |
| 29.04.2018 Nunawading (VIC) | 7 | 344 | 348 |
| 21.10.2018 VicSA Border Challenge (VIC) | 1 | 328 | 360 |
| 02.02.2019 Saturday Sessions 3A (VIC) | 3 | 391 | 411 |
| 17.02.2019 Summer Fun (VIC) | 4 | 420 | 313 |
| 22.04.2019 2019 Australian Championship (TAS) | 2 | 333 | 364 |
| Head-to-head after 19 games | 7 | 12 | |
| Average score | 364.15 | 368 | |
| Spread: | -73 | 73 | |