| Tournament | Round | Ian Close | Ethel Collins |
| 25.01.1998 City of Sydney International Masters (NSW) | 12 | 441 | 332 |
| 17.01.1999 Baulkham Hills (NSW) | 2 | 302 | 388 |
| 21.01.1999 City of Sydney Masters (NSW) | 11 | 369 | 360 |
| 05.04.1999 Australian Championships (NSW) | 13 | 406 | 420 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 379.5 | 375 | |
| Spread: | 18 | -18 | |