| Tournament | Round | Richard Birch | Olga Visser |
| 27.01.2001 City of Sydney International Masters (NSW) | 6 | 374 | 428 |
| 04.02.2001 Kempsey (NSW) | 7 | 326 | 449 |
| 29.07.2001 Newcastle (NSW) | 5 | 335 | 411 |
| 27.01.2002 City of Sydney International Masters (NSW) | 12 | 298 | 492 |
| 01.02.2004 Kempsey (NSW) | 8 | 348 | 388 |
| 18.07.2004 Winter Masters (NSW) | 12 | 338 | 395 |
| 30.01.2005 City of Sydney International Masters (NSW) | 18 | 286 | 418 |
| 05.02.2006 Kempsey Challenge (NSW) | 7 | 381 | 429 |
| 04.02.2007 Kempsey Challenge (NSW) | 2 | 345 | 382 |
| 03.02.2008 Kempsey Challenge & Cup (NSW) | 3 | 373 | 293 |
| 03.02.2008 Kempsey Challenge & Cup (NSW) | 11 | 390 | 378 |
| 30.01.2010 Kempsey Cup & Challenge (NSW) | 3 | 376 | 396 |
| 05.04.2010 Aus Championship (SA) | 15 | 519 | 307 |
| 29.01.2012 CITY OF SYDNEY MASTERS (NSW) | 5 | 386 | 348 |
| 29.01.2012 CITY OF SYDNEY MASTERS (NSW) | 20 | 303 | 447 |
| 05.02.2012 Kempsey (NSW) | 8 | 349 | 449 |
| 18.02.2024 February Frolic (QLD) | 7 | 346 | 327 |
| Head-to-head after 17 games | 5 | 12 | |
| Average score | 357.23 | 396.29 | |
| Spread: | -664 | 664 | |