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