Sachin Tendulkar's 50 Test Centuries

Sachin Tendulkar, on 19th December 2010, created history by becoming the first cricketer to score 50 Test centuries.

Tendulkar's 50 hundreds in Test cricket At Home: 22 in 79 Tests
Abroad: 28 in 96 Tests
In matches won - 20
In matches drawn - 19
In matches lost - 10
In first innings of a match - 20
In second innings of a match - 17
In third innings of a match - 10
In fourth innings of a match - 3
Centuries at various batting positions
At # 4 - 43
At # 5 - 5
At # 6 - 2
Compiled by Rajneesh Gupta
Source: http://www.rediff.com/cricket/slide-show/slide-show-1-india-sa-tour-2010-stats-an-overview-of-sachin-tendulkars-fab-fifty/20101220.htm

I believe at least 15 of them came while chasing a target in 3rd or fourth innings.