England end day four 207 runs behind NZ with just seven wickets in hand
Santner stars for NZ with maiden Test century and three late wickets
Watling hits 205; sharing in 261-run seventh-wicket stand with Santner
First Test in two-match series
Tim Southee plays at one that turns down leg from Joe Root.
Jos Buttler takes it and there is a big appeal for caught behind. Umpire Bruce Oxenford shakes his head.
Root is livid. He reckons that's out. England don't have a review to use.
Jeremy Coney
Ex-New Zealand captain on BBC Test Match Special
Patience and efficiency I think are the two words.
Simon Mann
BBC Test Match Special
He seems to have batted forever in this Test. A superb innings. A triumph of patience.
Masterful. What an innings.
BJ Watling reaches his double ton as he taps round the corner and scampers through.
Literally the perfect innings given the situation when he arrived at the crease. He has batted England out of the Test and perhaps put his side on course for victory.
Image source, Getty ImagesSimon Mann
BBC Test Match Special
I think that single was fine.
Watling 199, Southee 2
BJ Watling drives just wide of extra cover and takes on the fielder.
A sharp run, a dive and he's home as the throw misses.
He'll be on 199 to start the next over.
BJ Watling defends it down and the ball rolls towards the stumps but he has plenty of time to kick it away.
Simon Mann
BBC Test Match Special
England have kept the standards high with the fielding, they haven't fallen apart.
Tim Southee drives just wide of extra cover to pick up one as the fielder dives to stop it.
That returns BJ Watling to the crease on 198...
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Lead by 234
Southee taps into the leg side and runs. Buttler gets to it and throws on the turn but misses. Think Southee would've been fine anyway.
Foot in crease all the way. On we go.
Simon Mann
BBC Test Match Special
It could be out. A one in a 100 chance.
Tim Southee is beaten on the outside edge by Joe Root and leans forward.
Jos Buttler takes off the bails and they're going to check the stumping.
I don't think Southee went anywhere.
Shewd batting from BJ Watling as he picks up a drag down from Joe Root early and uses his feet to whip it through a gap in the covers for four.
That takes him to 197. Nervous 190s? No chance.
Andrew Samson
BBC Test Match Special statistician
That partnership of 261 is the fifth highest seventh-wicket stand in history.
Lead by 227
New man Tim Southee, who has had his pads on since 1993, jabs loosely at his first ball outside off and there is a half-hearted appeal for caught behind.
Nothing doing.
Jeremy Coney
Ex-New Zealand captain on BBC Test Match Special
It was an innings of two parts. Yesterday was a little bit awkward but today, even though he wasn't scoring many runs, he looked more at ease with the short ball. Once New Zealand were going well and looking to up the scoring rate he came into his own.
England went 83.2 overs between wickets. Blame the ball?
Image source, AFP
Jonathan Agnew
BBC cricket correspondent
England have a wicket! The last time they took a wicket was almost 24 hours ago. It was a really outstanding 126 from Mitchell Santner.