| Tournament | Round | Penny Wells | Olga Visser |
| 05.04.1999 Australian Championships (NSW) | 10 | 316 | 486 |
| 22.07.2001 Winter Masters (NSW) | 1 | 448 | 310 |
| 29.07.2001 Newcastle (NSW) | 2 | 353 | 338 |
| 27.01.2002 City of Sydney International Masters (NSW) | 11 | 314 | 425 |
| 21.07.2002 Winter Masters (NSW) | 16 | 337 | 519 |
| Head-to-head after 5 games | 2 | 3 | |
| Average score | 353.6 | 415.6 | |
| Spread: | -310 | 310 | |