It was the highest score by a New Zealander in a T20 international, surpassing the previous best of 123 set by Brendon McCullum, and it equalled the world record of 16 sixes in an innings held by Afghanistan's Hazratullah Zazai.
Williamson was already set to miss the third game on Wednesday, and with the first Test against South Africa less than three weeks away, Stead said his star batsman would probably sit out the final two games as well.
New Zealand will tour Pakistan twice from late December, the Pakistan Cricket Board said on Monday, more than a year after abandoning a series there over security concerns.
It was the highest score by a New Zealander in a T20 international, surpassing the previous best of 123 set by Brendon McCullum, and it equalled the world record of 16 sixes in an innings held by Afghanistan's Hazratullah Zazai.
Williamson was already set to miss the third game on Wednesday, and with the first Test against South Africa less than three weeks away, Stead said his star batsman would probably sit out the final two games as well.
New Zealand will tour Pakistan twice from late December, the Pakistan Cricket Board said on Monday, more than a year after abandoning a series there over security concerns.