Here is list of the top five fastest 300s in the history of Test cricket in terms of the balls faced by the triple centurion batsmen to reach the mark.
| SN | Player | Opponent | Balls Faced For 300 | Final Score |
| 1 | Virender Sehwag (India) | South Africa | 278 | 319 (304) |
| 2 | Matthew Hayden (Australia) | Zimbabwe | 362 | 380 (487) |
| 3 | Virender Sehwag (India) | Pakistan | 364 | 309 (375) |
| 4 | Karun Nair (India) | England | 381 | 303* (381) |
| 5 | David Warner (Australia) | Pakistan | 389 | 335* (418) |
Key Facts:
- Virender Sehwag’s triple century against South Africa is the only one to have been scored at a strike rate over 100.
- Karun Nair has scored 374 runs in Test cricket. 81% of his Test career runs were scored in his single triple-century knock (303*) against England in 2016.
