| Tournament | Round | Judy Hay | Olga Visser |
| 22.04.2000 Australian Championships (QLD) | 13 | 325 | 355 |
| 25.01.2004 City of Sydney International Masters (NSW) | 17 | 399 | 352 |
| 05.10.2009 NSW CHAMPIONSHIPS (NSW) | 1 | 391 | 472 |
| 07.07.2012 WINTER CHALLENGE (NSW) | 1 | 402 | 342 |
| 07.07.2012 WINTER CHALLENGE (NSW) | 13 | 325 | 370 |
| Head-to-head after 5 games | 2 | 3 | |
| Average score | 368.4 | 378.2 | |
| Spread: | -49 | 49 | |