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