Mount Maunganui, Feb. 6 -- New Zealand's experienced batter Kane Williamson for the first time in his career made centuries in both innings of a Test match on Day 3 of the first Test match against South Africa on Tuesday.

Williamson riding high on his experience made the inexperienced South African bowlers toil hard on a sluggish surface.

He raised his bat for his 31st Test ton and became just the fifth Kiwi batter to achieve the feat. In the first innings, the veteran batter with a watchful eye and patience scored 118 of 289 deliveries.

Before Williamson, former Kiwi batters Glenn Turner (1974), Geoff Howarth (1978), Andrew Jones (1991) and Peter Fulton (2013) managed to score a hundred in both innings of a Test.

Williamson's 31st Te...