New Zealand secured the two-match cricket series after defeating Sri Lanka by five wickets on fourth day of the second test match.
Resuming the previous day score of 142-5 and requiring 47 runs for victory, New Zealand finished the match in one hour. Williamson unbeaten on the crease with 108 runs and BJ Watling on 13runs.
Kane Williamson is in impressive form in this season with scoring double century, four centuries and four half-centuries in this current season.
Now, New Zealand will take on Sri Lanka in the five matches one day series.