| Tournament | Round | Shirley de Silva | Kris Howat |
| 25.03.2018 nats warmup (VIC) | 7 | 406 | 329 |
| 09.06.2019 Queens Birthday (VIC) | 1 | 402 | 347 |
| 21.07.2019 two ways (VIC) | 7 | 369 | 396 |
| 06.12.2020 return 1 (VIC) | 5 | 314 | 405 |
| 28.02.2021 Bil Rose Aestival 2021 (VIC) | 7 | 369 | 296 |
| 18.04.2021 NATS AFTERPARTY (VIC) | 4 | 339 | 420 |
| 04.07.2021 The Midwinter (VIC) | 2 | 326 | 527 |
| Head-to-head after 7 games | 3 | 4 | |
| Average score | 360.71 | 388.57 | |