| Tournament | Round | Khwanjai Thammaping | B.J. Winzer |
| 18.03.2007 Langwarrin (VIC) | 3 | 371 | 324 |
| 24.06.2007 WSC Fundraiser (VIC) | 6 | 293 | 447 |
| 25.05.2008 Dandenong (VIC) | 6 | 444 | 417 |
| 18.01.2009 Aestival (VIC) | 6 | 360 | 319 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 367 | 376.75 | |
| Spread: | -39 | 39 | |