| Tournament | Round | Tim Guidera | Rowena Vnuk |
| 13.03.2016 SA Championship (SA) | 9 | 320 | 358 |
| 13.03.2016 SA Championship (SA) | 16 | 265 | 546 |
| 26.02.2022 Seaford February (SA) | 4 | 383 | 350 |
| 23.10.2022 SA October (SA) | 6 | 325 | 358 |
| 24.09.2023 SA September (SA) | 1 | 438 | 439 |
| 22.10.2023 SA October (SA) | 2 | 290 | 461 |
| 23.03.2024 Seaford March (SA) | 3 | 336 | 392 |
| 26.05.2024 SA May Fours (SA) | 2 | 271 | 447 |
| 18.08.2024 Lyndee Hill (SA) | 10 | 422 | 353 |
| 22.09.2024 SA September (SA) | 4 | 306 | 419 |
| 27.12.2024 Xmas Leftovers (SA) | 4 | 306 | 489 |
| 02.02.2025 SA February (SA) | 6 | 400 | 318 |
| 19.04.2025 National Championship and Plate (SA) | 5 | 391 | 409 |
| Head-to-head after 13 games | 3 | 10 | |
| Average score | 342.53 | 410.69 | |