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