Serbia's national soccer team member carries gates before a training session ahead of the World Cup at the Baltia training base in Svetlogorsk, Russia, on Monday, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Serbia's national soccer team players warm up during a training session ahead of the World Cup at the Baltia training base in Svetlogorsk, Russia, on Monday, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Serbia's Nemanja Matic runs during a Serbia's national soccer team training session ahead of the World Cup at the Baltia training base in Svetlogorsk, Russia, on Monday, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Balls lie on the grass before a Serbia's national soccer team training session ahead of the World Cup at the Baltia training base in Svetlogorsk, Russia, on Monday, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Serbia's national soccer team players play with a ball during a training session ahead of the World Cup at the Baltia training base in Svetlogorsk, Russia, on Monday, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Serbia's national soccer team players play with a ball during a training session ahead of the World Cup at the Baltia training base in Svetlogorsk, Russia, on Monday, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Serbia's Aleksandar Kolarov walks during a Serbia's national soccer team training session ahead of the World Cup at the Baltia training base in Svetlogorsk, Russia, on Monday, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Serbia's national soccer team players run during a training session ahead of the World Cup at the Baltia training base in Svetlogorsk, Russia, on Monday, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Serbia's coach Milan Rastavac gestures during a national soccer team training session ahead of the World Cup at the Baltia training base in Svetlogorsk, Russia, on Monday, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Serbia's Nemanja Radonjic during a Serbia's national soccer team training session ahead of the World Cup at the Baltia training base in Svetlogorsk, Russia, on Monday, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Serbia's national soccer team players applause during a training session ahead of the World Cup at the Baltia training base in Svetlogorsk, Russia, on Monday, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Serbia's Nemanja Matic runs during a Serbia's national soccer team training session ahead of the World Cup at the Baltia training base in Svetlogorsk, Russia, on Monday, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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A ball lies in gates during a Serbia's national soccer team training session ahead of the World Cup at the Baltia training base in Svetlogorsk, Russia, on Monday, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Serbia's coach Milan Rastavac gestures during a national soccer team training session ahead of the World Cup at the Baltia training base in Svetlogorsk, Russia, on Monday, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Serbia's Milos Veljkovic runs during a Serbia's national soccer team training session ahead of the World Cup at the Baltia training base in Svetlogorsk, Russia, on Monday, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Serbia's Branislav Ivanovic walks during a Serbia's national soccer team training session ahead of the World Cup at the Baltia training base in Svetlogorsk, Russia, on Monday, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Serbia's Nemanja Matic controls a ball during a Serbia's national soccer team training session ahead of the World Cup at the Baltia training base in Svetlogorsk, Russia, on Monday, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Serbia's Sergej Milinkovic-Savic controls a ball during a Serbia's national soccer team training session ahead of the World Cup at the Baltia training base in Svetlogorsk, Russia, on Monday, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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A ball lies on the grass before a Serbia's national soccer team training session ahead of the World Cup at the Baltia training base in Svetlogorsk, Russia, on Monday, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Serbia's goalkeeper Vladimir Stojkovic hits a ball during a Serbia's national soccer team training session ahead of the World Cup at the Baltia training base in Svetlogorsk, Russia, on Monday, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Serbia's Aleksandar Kolarov walks during a Serbia's national soccer team training session ahead of the World Cup at the Baltia training base in Svetlogorsk, Russia, on Monday, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Serbia's Aleksandar Kolarov walks during a Serbia's national soccer team training session ahead of the World Cup at the Baltia training base in Svetlogorsk, Russia, on Monday, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Serbia's head coach Mladen Krstajic walks during a Serbia's national soccer team training session ahead of the World Cup at the Baltia training base in Svetlogorsk, Russia, on Monday, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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during a Serbia's national soccer team training session ahead of the World Cup at the Baltia training base in Svetlogorsk, Russia, on Monday, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Serbia's national soccer team player controls a ball during a training session ahead of the World Cup at the Baltia training base in Svetlogorsk, Russia, on Monday, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Serbia's Milos Veljkovic runs during a Serbia's national soccer team training session ahead of the World Cup at the Baltia training base in Svetlogorsk, Russia, on Monday, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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A ball lies on the grass before a Serbia's national soccer team training session ahead of the World Cup at the Baltia training base in Svetlogorsk, Russia, on Monday, June 11, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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