| Tournament | Round | Daniel Piechnick | Louisa Atsas |
| 07.03.2010 SA Championship (SA) | 3 | 457 | 322 |
| 13.03.2011 SA Championship (SA) | 3 | 438 | 307 |
| 23.09.2018 Battle of the Sexes (SA) | 4 | 534 | 279 |
| 21.05.2023 May 4-4 Option (SA) | 1 | 417 | 309 |
| Head-to-head after 4 games | 4 | 0 | |
| Average score | 461.5 | 304.25 | |
| Spread: | 629 | -629 | |