 Sachin Tendulkar of India has scored the most half-centuries in Test cricket with 68.He is followed by the West Indies' Shivnarine Chanderpaul on 66, India's Rahul Dravid and Allan Border of Australia are third on 63 and in seventh with 57 fifties to his name, England's Alastair Cook.A century is a score of 100 or more runs in a single innings.