The Pakistan Cricket Board later withdrew the record claim, amid doubts about Raza's birthdate. His actual age was uncertain, but he was around 15 at the time of his debut. Even so, Cricinfo gives his birth date as 11 March 1982, and does list him as the youngest ever Test cricketer. Surprisingly, Wikipedia doesn't have a page for him.
Hasan Raza eventually played 7 Tests and 16 ODIs for Pakistan. His last international match was a Test against England in 2005. His batting average was 26.11 in Tests and 18.61 in ODIs.
© Haydn Thompson 2017