| Tournament | Round | Oscar Ivanovski | Karen Richards |
| 10.06.2023 Victorian Champs (VIC) | 2 | 433 | 420 |
| 30.03.2024 National Championship (WA) | 24 | 391 | 403 |
| 08.06.2024 2024 Victorian Championship (VIC) | 16 | 413 | 379 |
| 29.12.2024 Decathon 2024 (VIC) | 9 | 295 | 399 |
| 19.04.2025 National Championship and Plate (SA) | 4 | 494 | 419 |
| 19.04.2025 National Championship and Plate (SA) | 17 | 385 | 409 |
| 07.06.2025 40th Anniv Vic Champs (VIC) | 9 | 451 | 439 |
| 28.12.2025 Decathon 2025 (VIC) | 8 | 445 | 476 |
| 29.03.2026 Pre Nationals (VIC) | 6 | 467 | 362 |
| 04.04.2026 AUS CHAMPS (ACT) | 2 | 427 | 337 |
| Head-to-head after 10 games | 6 | 4 | |
| Average score | 420.1 | 404.3 | |
| Spread: | 158 | -158 | |