Ryohei SAKAGUCHI GT4 Qualifying Lap Time Records
| Lap Time | Racing Team | Racing Circuit | Race Car Model | Race Car Level | Year / Racing Series |
|---|---|---|---|---|---|
| 01:36.090 | Okayama International Circuit | Toyota GR Supra GT4 | GT4 | 2023 GT World Challenge Asia | |
| 01:36.462 | Okayama International Circuit | Toyota GR Supra GT4 EVO | GT4 | 2024 Japan Cup Series | |
| 01:38.800 | Okayama International Circuit | Toyota GR Supra GT4 | GT4 | 2023 GT World Challenge Asia | |
| 01:38.897 | Okayama International Circuit | Toyota GR Supra GT4 EVO | GT4 | 2024 Japan Cup Series | |
| 01:47.749 | Fuji International Speedway Circuit | Toyota GR Supra GT4 | GT4 | 2023 GT World Challenge Asia | |
| 01:49.419 | Fuji International Speedway Circuit | Toyota GR Supra GT4 | GT4 | 2023 GT World Challenge Asia | |
| 02:13.348 | Suzuka Circuit | Toyota GR Supra GT4 | GT4 | 2023 GT World Challenge Asia | |
| 02:14.792 | Suzuka Circuit | Toyota GR Supra GT4 | GT4 | 2023 GT World Challenge Asia |