Douglas Kok Hui Khoo Qualifying Lap Time Records
| Lap Time | Racing Circuit | Race Car Level | Race Car Model | Racing Team | Racing Series | Year |
|---|---|---|---|---|---|---|
| 01:29.891 | Singapore Marina Bay Street Circuit | GTC | Porsche 911 GT3 Cup Type 991 (GEN2) | Porsche Carrera Cup Asia | 2019 | |
| 01:38.883 | Chang International Circuit | GT3 | Aston Martin Vantage AMR GT3 | TSS Thailand Super Series | 2023 | |
| 01:39.925 | Chang International Circuit | GT3 | Mercedes-AMG AMG GT3 | TSS Thailand Super Series | 2024 | |
| 01:40.098 | Chang International Circuit | GT3 | Mercedes-AMG AMG GT3 | TSS Thailand Super Series | 2024 | |
| 01:42.981 | Bangsaen Street Circuit | GT3 | Mercedes-AMG AMG GT3 | TSS Thailand Super Series | 2024 | |
| 02:09.520 | Sepang International Circuit | GT3 | BMW M4 GT3 | TSS Thailand Super Series | 2024 | |
| 02:09.802 | Sepang International Circuit | GT3 | BMW M4 GT3 | TSS Thailand Super Series | 2024 |