South Africa defeated Sri Lnaka by 153 runs in the first test at Galle today. The hosts needed 370 runs to win , resumed the fifth day's play today at 110 for one. But after the fall of Sangakara at 76 , the team fell to the onslaught of Dale Steyn and Morne Morkel.The Final ScoresSouth Africa 455 for 9 declared and 206 for 6 declared Sri Lanka 292 and 216