Kosovo, a former Serbian province, declared its independence in 2008. Blerim Dzemaili had their best chance half an hour in, forcing Serbia keeper Vladimir Stojkovic to push the ball clear.
- This will be the first meeting between Serbia (as an independent nation) and Switzerland. Xhaka's parents are originally from Kosovo and they are of Albanian heritage.
9 - the number of World Cup matches Nati captain Stefan Lichtsteiner has now played for Switzerland, breaking the national record held by Charles Antenen since Chile 1962. The 34-year-old full-back is set to become the player with the most World Cup appearances for Switzerland, having equalled Charles Antenen's mark of eight matches in the draw with Brazil.
Serbia's players did not react to the eagle gestures at Kaliningrad Stadium.
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And Serbia head coach Mladen Krstajic is braced for a hard encounter, telling Swiss newspaper Blick: "They are very strong!"
In the tournament's first come-from-behind victory, Xhaka made it 1-1 in the 52nd minute with a powerful shot through a crowded penalty area.
The comeback was completed in second-half injury-time as the Swiss turned defence to attack, with Shaqiri finishing off a counter-attacking move with a close-range finish in the 90th minute. We've seen again today how difficult Costa Rica are to beat but it is highly unlikely that the hard-running, niggly Swiss spoilers will afford them any more space to play.
"You should never mix politics and football", Switzerland coach Vladimir Petkovic said. Serbia will face Brazil in Moscow at the same time.
And where Mladen Krstajic's defence lack in pace and mobility, it more than make up for in experience, but that may have cost the nation dearly as the tiring legs of those at the back were exposed and ripped open towards the end of the match, as Shaqiri raced through on goal and stole a late victor. Mitrovic came close in the 19th minute when he controlled a cross from Branislav Ivanovic on his chest and sent a bicycle kick over the bar.