| Tournament | Round | Betty Keese | Trevor Tao |
| 19.06.2010 SA June (SA) | 2 | 406 | 362 |
| 14.08.2010 August (SA) | 3 | 367 | 343 |
| 16.04.2011 SA April (SA) | 5 | 385 | 390 |
| 05.11.2011 Seaford (SA) | 3 | 332 | 395 |
| 16.06.2012 SA June (SA) | 1 | 341 | 459 |
| 15.06.2014 SA June (SA) | 6 | 276 | 385 |
| 11.10.2014 SA October (SA) | 1 | 306 | 591 |
| 15.11.2014 SA November (SA) | 2 | 351 | 401 |
| 20.06.2015 SA June (SA) | 3 | 309 | 405 |
| 25.07.2015 July Pub Tourney (SA) | 6 | 347 | 427 |
| 23.01.2016 4-4-4 Tournament (SA) | 5 | 366 | 451 |
| Head-to-head after 11 games | 2 | 9 | |
| Average score | 344.18 | 419 | |
| Spread: | -823 | 823 | |