Chamara Kapugedera hits final ball of the match for four as Sri Lanka take series lead.The equation was simple. Six runs needed, six balls left, Andrew Tye bowling to Seekkuge Prasanna. The first ball: a dot; the second: one leg bye. Two singles, followed by two runs levelled scores. With one run needed off the final ball, Chamara Kapugedera struck a boundary through cover to seal victory for the tourists.