In the all crucial, second semi-final New Zealand U19 will bat first.
Bangladesh U19 captain Akbar Ali, won the toss and decided to bowl first in Potchefstroom.
The young Tigers defeated New Zealand at home in a bilateral series but lost to the same opponents in the practice match leading to the World Cup.
Bangladesh are aiming their first final of the Under 19 World Cup. New Zealand won the tournament last in 1998.
According to tournament rules, Bangladesh will go through to the final if we have no result, on the basis of more points in the group stages.
1 Tanzid Hasan, 2 Parvez Hossain Emon, 3 Mahmudul Hasan Joy, 4 Towhid Hridoy, 5 Shahadat Hossain, 6 Akbar Ali (c) (wk), 7 Shamim Hossain, 8 Tanzim Hasan Sakib, 9 Rakibul Hasan, 10 Hasan Murad, 11 Shoriful Islam
New Zealand XI:
1 Rhys Mariu, 2 Oli White, 3 Fergus Lellman, 4 Nicholas Lidstone, 5 Jesse Tashkoff (c), 6 Beckham Wheeler-Greenall, 7 Quinn Sunde (wk), 8 Aditya Ashok, 9 Joey Field, 10 Kirstian Clarke, 11 David Hancock