| Tournament | Round | Trevor Tao | Susan Roberts |
| 10.03.2013 SA Championship (SA) | 5 | 463 | 348 |
| 08.03.2014 SA Championship (SA) | 9 | 477 | 352 |
| 26.10.2014 Pub Battle of the Sexes (SA) | 1 | 550 | 213 |
| 14.12.2014 Pub Championship (SA) | 1 | 425 | 402 |
| 16.01.2016 January Pub Tourney (SA) | 3 | 526 | 365 |
| 13.03.2016 SA Championship (SA) | 16 | 343 | 366 |
| 30.07.2016 July Pub Tourney (SA) | 3 | 409 | 443 |
| 28.01.2017 SA January (SA) | 3 | 486 | 303 |
| 03.06.2017 June 4-4 (SA) | 2 | 459 | 351 |
| 11.03.2018 SA Championship (SA) | 12 | 457 | 351 |
| 16.06.2018 SA June 4-4 (SA) | 6 | 493 | 423 |
| 17.11.2018 SA November (SA) | 3 | 497 | 332 |
| 05.01.2019 January Pub Tourney (SA) | 3 | 533 | 378 |
| 27.07.2019 July Pub Tourney (SA) | 3 | 352 | 397 |
| 14.12.2019 Seaford Tournament (SA) | 1 | 415 | 344 |
| 06.03.2021 SA Champs (SA) | 9 | 439 | 289 |
| 19.06.2021 JUNE SEAFORD (SA) | 1 | 391 | 423 |
| 11.03.2023 SA Scrabble Champs (SA) | 14 | 506 | 398 |
| Head-to-head after 18 games | 14 | 4 | |
| Average score | 456.72 | 359.88 | |
| Spread: | 1743 | -1743 | |