Fastest test match cricket hundreds

Balls   Batsman         Match                       Location            Year
56      IVA Richards    West Indies v England       St John's           1985-86
57      AC Gilchrist    Australia v England         Perth               2006-07
67      JM Gregory      Australia v South Africa    Johannesburg        1921-22
69      S Chanderpaul   West Indies v Australia     Georgetown          2002-03
70      CH Gayle        West Indies v Australia     Perth               2009-10
71      RC Fredericks   West Indies v Australia     Perth               1975-76
74      Majid Khan      Pakistan v New Zealand      Karachi             1976-77
74      Kapil Dev       India v Sri Lanka           Kanpur              1986-87
74      M Azharuddin    India v South Africa        Calcutta            1996-97
76      GL Jessop       England v Australia         The Oval            1902

Note: All the figures are from the start of an individual innings.

Detailed list can be found here

Also Adam Gilchrist's 57 ball century vs England video is here