| Tournament | Round | Doris Schwenn | David Lowden |
| 25.07.1999 July (SA) | 6 | 346 | 378 |
| 22.08.1999 August (SA) | 4 | 377 | 368 |
| 21.11.1999 November (SA) | 5 | 275 | 412 |
| 19.01.2000 January Open (SA) | 5 | 369 | 350 |
| 19.03.2000 March (SA) | 3 | 328 | 377 |
| Head-to-head after 5 games | 2 | 3 | |
| Average score | 339 | 377 | |
| Spread: | -190 | 190 | |