| Tournament | Round | Tony Sim | Tengku Asri |
| 21.01.1999 City of Sydney Masters (NSW) | 5 | 359 | 326 |
| 01.04.2002 Australian Championships (WA) | 9 | 366 | 347 |
| 11.04.2009 AUST CHAMPIONSHIP (WA) | 4 | 444 | 371 |
| Head-to-head after 3 games | 3 | 0 | |
| Average score | 389.66 | 348 | |
| Spread: | 125 | -125 | |