| Tournament | Round | Jan Serisier | Harry Malcolm |
| 21.01.1999 City of Sydney Masters (NSW) | 9 | 256 | 495 |
| 01.08.1999 Winter Masters (NSW) | 1 | 361 | 350 |
| 19.01.2002 Baulkham Hills Kick-off (NSW) | 5 | 380 | 377 |
| 04.05.2003 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 8 | 298 | 344 |
| 25.01.2004 City of Sydney International Masters (NSW) | 10 | 237 | 432 |
| 02.05.2004 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 3 | 358 | 337 |
| 17.04.2005 NSW/Victoria Border Challenge, Wagga Wagga (NSW) | 7 | 405 | 346 |
| 29.01.2006 City of Sydney International Masters (NSW) | 7 | 390 | 451 |
| 17.04.2006 Australian Championships (QLD) | 1 | 337 | 435 |
| 17.04.2006 Australian Championships (QLD) | 12 | 264 | 394 |
| 30.04.2006 NSW vs Victoria Border Challenge Wagga Wagga (NSW) | 2 | 397 | 330 |
| 24.03.2008 Australian Championship (VIC) | 7 | 396 | 449 |
| Head-to-head after 12 games | 5 | 7 | |
| Average score | 339.91 | 395 | |
| Spread: | -661 | 661 | |