2nd Test: New Zealand v Sri Lanka at Wellington, Jan 3-7, 2015

Sri Lanka tour of Australia and New Zealand, 2nd Test: New Zealand v Sri Lanka at Wellington, Jan 3-7, 2015

New Zealand celebrate their 2-0 whitewash over Sri Lanka, New Zealand v Sri Lanka, 2nd Test, Wellington, 5th day, January 7, 2015

New Zealand celebrate their 2-0 whitewash over Sri Lanka, New Zealand v Sri Lanka, 2nd Test, Wellington, 5th day, January 7, 2015

Kane Williamson is doused with champagne, New Zealand v Sri Lanka, 2nd Test, Wellington, 5th day, January 7, 2015

Kane Williamson is doused with champagne, New Zealand v Sri Lanka, 2nd Test, Wellington, 5th day, January 7, 2015

Brendon McCullum with the series trophy, New Zealand v Sri Lanka, 2nd Test, Wellington, 5th day, January 7, 2015

Brendon McCullum with the series trophy, New Zealand v Sri Lanka, 2nd Test, Wellington, 5th day, January 7, 2015

Kumar Sangakkara brings up his 11th Test double century

Kumar Sangakkara brings up his 11th Test double century

Kane Williamson registered his maiden Test double-century, New Zealand v Sri Lanka, 2nd Test, Wellington, 4th day, January 6, 2015

Kane Williamson registered his maiden Test double-century, New Zealand v Sri Lanka, 2nd Test, Wellington, 4th day, January 6, 2015