Bangladesh defeated current champion South Africa by 43 runs in ICC Under-19 World Cup opener at Zohur Ahmed Chowdhury Stadium on Wednesday.Bangladesh captain Mehedi Hassan Miraz won the toss and decided to bat first.Bangladesh managed to score 240 runs after losing 7 wickets in 50 over’s.Nazmul Hossain Shanto scored 73 runs from 82 balls, Joyraj Sheik scored 46 runs from 50 balls and Pinak Ghosh scored 43 runs from 51 balls for Bangladesh.Wiaan Mulder picked three wickets and Lutho Sipamla, Sean Whitehead, Tony de Zorzi took one wicket each of Bangladesh.In chasing of 241 runs South Africa scored 197 runs all out in 48.4 overs.Liam Smith scored 100 runs from 146 balls for South Africa.Mehedi Hassan Miraz picked three wickets, Mohammad Saifuddin picked three wickets and Saeed Sarkar, Saleh Ahmed Shawon took two wickets each of South Africa.Bangladesh: Mehedi Hassan Miraz (capt), Nazmul Hossain Shanto, Joyraj Sheik, Pinak Ghosh, Saif Hassan, Zakir Hasan, Mohammad Saifuddin, Shafiul Hayat, Saeed Sarkar, Mehedi Hasan Rana, Abdul Halim, Sanjit Saha, Saleh Ahmed Shawon, Ariful Islam, Jaker Ali.South Africa: Tony de Zorzi (capt), Ziyaad Abrahams, Dean Foxcroft, Dayyaan Galiem, Willie Ludick, Wandile Makwethu, Conner McKerr, Rivaldo Moonsamy, Wiaan Mulder, Luke Philander, Farhaan Sayanvala, Lutho Sipamla, Liam Smith, Kyle Verreynne, Sean Whitehead.