| Tournament | Round | Arie Holla | Helen Ostler |
| 21.01.2001 Baulkham Hills Kick-off (NSW) | 4 | 354 | 328 |
| 10.09.2004 Baulkham Hills Open (NSW) | 2 | 304 | 318 |
| 16.01.2005 Baulkham Hills Kickoff (NSW) | 3 | 326 | 344 |
| Head-to-head after 3 games | 1 | 2 | |
| Average score | 328 | 330 | |
| Spread: | -6 | 6 | |