| Tournament | Round | Nonie English | Olga Visser |
| 27.01.2001 City of Sydney International Masters (NSW) | 16 | 372 | 429 |
| 18.07.2004 Winter Masters (NSW) | 4 | 405 | 339 |
| 02.10.2006 New South Wales Championships (NSW) | 15 | 407 | 352 |
| 04.10.2008 NSW CHAMPIONSHIPS 08 (NSW) | 24 | 401 | 366 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 396.25 | 371.5 | |
| Spread: | 99 | -99 | |