Mathews became an important member in Sri Lanka One Day team during the Sri Lanka tour of Australia in 2010/11. At the first match, on 3 November 2010, Mathews scored a magnificent match winning 77* runs with a partnership with Lasith Malinga, who also scored his only half-century. Sri Lanka were in trouble when he come into the crease, but finally won the match. In this match, Mathews along with Malinga, recorded the highest ninth wicket partnership in ODI history by scoring 132 runs for the ninth wicket.