Youngest to score first-class 200

15 yrs, 215 days: Hasan Raza (204*) Karachi Whites v Bahawalpur at Karachi, 1997
16 yrs, 96 days: Ijaz Ahmed (201*) Pakistan Automobiles Corporation v Karachi at Karachi, 1984
17 yrs, 17 days: RS Sodhi (200*) Punjab v Delhi at Patiala, 1997
17 yrs, 55 days: AT Rayudu (210) Hyderabad v Andhra at Secunderabad, 2002
17 yrs, 122 days: JG Myburgh (203) Northerns B v Easterns at Pretoria, 1998
17 yrs, 195 days: Umar Akmal (248) Sui Nrth Gas Pipelines Ltd v Karachi Blues at Karachi, 2007
17 yrs, 205 days: ID Craig (213*) New South Wales v South Africans at Sydney, 1953
17 yrs, 312 days: Javed Miandad (311) Karachi Whites v Nat Bank of Pakistan at Karachi, 1975
17 yrs, 317 days: Taslim Arif (205) Karachi Blues v Hyderabad (P) at Karachi, 1972
17 yrs, 324 days: Hanif Mohammad (203*) Pakistanis v Bombay at Bombay, 1952
18 yrs, 2 days: Mushtaq Mohammad (229*) Karachi Whites v East Pakistan at Karachi, 1961
18 yrs, 12 days: WG Grace (224*) England v Surrey at The Oval, 1866
18 yrs, 21 days: DP Sibley (220*) Surrey v Yorkshire at The Oval, 2013
18 yrs, 47 days: Usman Tariq (210) Bahawalpur v Sargodha at Sargodha, 2002
18 yrs, 62 days: PR Shah (217*) Baroda v Services at Delhi, 2006
18 yrs, 187 days: Imran Farhat (216) Biman Bangladesh Airlines v Chittagong Div at Savar, 2000
18 yrs, 237 days: DJG Sales (210*) Northamptonshire v Worcestershire at Kidderminster, 1996
18 yrs, 265 days: W Jaffer (314*) Mumbai v Saurashtra at Rajkot, 1996
18 yrs, 266 days: GA Headley (211) Jamaica v LH Tennyson's XI at Kingston, 1928
18 yrs, 273 days: GR Viswanath (230) Mysore v Andhra at Vijayawada, 1967

Sibley is the 2nd youngest Englishman after WG Grace and the youngest in the Championship, passing Sales