Switzerland beat Cameroon 1-0 courtesy of a goal by Cameroonian-born Breel Embolo on Thursday in their World Cup Group G match.
Embolo, who was born in Yaounde but grew up in Basel, struck three minutes into the second half after receiving the ball from Xherdan Shaqiri’s cutback.
The 25-year-old refused to celebrate his goal as a small group of Swiss fans went wild at the Al Janoub stadium.
Serbia plays Brazil in another group game later on Thursday.
The Swiss goal came Cameroon, without a win in the World Cup for 20 years, dominated the first half but missed several good opportunities to take the lead.
The Indomitable Lions, who knocked Algeria out of the competition to qualify for the tournament, dominated the Swiss in the first 45 minutes with a combination of pace, pace and physicality as their opponents became toothless up front.
They had their first chance after 10 minutes with Bryan Mbeumo testing Yann Sommer but Karl Toko Ekambi sent the rebound over the bar.
The Swiss were again in trouble after the interval when Cameroonian midfielder Eric Maxim Choupo-Moting took the ball away from his opponent and into the box for Sommer to clear.
Cameroon continued to fight their opponents at the same time, while the Swiss could not enter the box of their opponents.
Switzerland, who reached the 16th place in the last two World Cups, struck at the start of the second half with Shaqiri cutting into the box and Embolo firing in what proved to be the winner.
A similar move just after the hour almost got the Swiss back on target but Ruben Vargas’ shot was pushed away by keeper Andre Onana.