0 Number of higher Test scores by Kane Williamson. Williamson beat his best of 242 not out, which he made against Sri Lanka in 2015. This was Williamson's third double-hundred and his second in the last two years. He made an unbeaten 200 against Bangladesh at the same venue last year.
9 250-plus scores by New Zealand batsmen in Tests, including Williamson's 251 in this match. Williamson is the eighth New Zealand batsman to hit 250 in a Test innings. Stephen Fleming is the only batsmen with two such scores.
142.14 Williamson's average in his last ten innings at Seddon Park, Hamilton; he has four centuries in these innings - scores of 108*, 176, 200*, 104* and 251. In fact, his average of 88.42 at Hamilton is the highest for any New Zealand batsman at a venue where he has batted at least ten innings. Williamson has made 1238 runs from 17 innings with five hundreds and five fifties.
259 Highest score by a New Zealand batsman against West Indies in Tests. Glenn Turner had made that score back in 1979 in Georgetown. Williamson's 251 is the second highest and the fifth double-hundred by a New Zealand batsman against West Indies.
624 Minutes batted by Williamson in his innings of 251. This is the second time Williamson has spent more than ten hours at the crease in a Test innings. He had batted for 623 minutes in his 242* against Sri Lanka. He is the only New Zealand batsman to have batted more than ten hours in an innings twice in his Test career (wherever minutes information is available).