| Tournament | Round | Chris May | Natalie Tadday |
| 04.10.2004 New South Wales Championships (NSW) | 1 | 526 | 363 |
| 26.02.2005 NSW Matchplay Qualifier (NSW) | 3 | 403 | 286 |
| 13.01.2020 Jan MONDAY EVENING (NSW) | 4 | 469 | 324 |
| 23.01.2021 CSIM (NSW) | 1 | 536 | 332 |
| Head-to-head after 4 games | 4 | 0 | |
| Average score | 483.5 | 326.25 | |
| Spread: | 629 | -629 | |