Neymar was unlucky not to score 12 minutes after the restart - the excellent Coutinho finding the Paris Saint-Germain man racing behind the Serbia defence only to see his left-footed shot blocked by a quick-reacting Stojkovic.
Tite replaced Paulinho with Fernandinho as he sought greater stability, but it was Silva, capitalising on shoddy marking from Nemanja Matic, heading home at the near post from Neymar's left-wing corner two minutes later that truly gave him that. On the hour mark he failed to clear well a cross that put the ball on a plate for Mitrovic and the shotstopper was fortunate that Thiago Silva was on hand to clear.
"We respect their status as favourites to win but they have some weaknesses and we will try to exploit them". But Paulinho, the player that Tite calls his "secret weapon", lived up to his name by scoring the first goal at Spartak Stadium. "In four years, I really developed a lot".
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Winning the group with three straight victories will be a good sign, but getting past the next round is the ultimate goal . South Korea's president Moon Jae-in is set to be attendance, which Shin feels will be "very encouraging for our players".
In a week in which numerous pre-tournament favourites have struggled, Brazil gave a very assured performance, particularly in the first half.
Brazil did what it had to do to win, making sure it wasn't the second big team to exit the tournament after 2014 champion Germany was knocked out by South Korea.
Brazil have stuttered through their first two matches, drawing with the Swiss before late goals from Philippe Coutinho and Neymar downed Costa Rica. The victory was good for first place.
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But after dropping a tight opening set, Kvitova turned on the style to record a 4-6, 6-1, 6-2 victory in just over two hours. He duly served it out to claim his second title at Queen's and confirmed himself as Federer's biggest threat at Wimbledon .
Switzerland also advanced after a 2-2 draw with Costa Rica and will next face Sweden on Tuesday in St. Petersburg.
In all competitions, Brazil are unbeaten in 13 matches (W9 D4 L0), conceding just three goals in that run.
Gabriel Jesus had already forced a close-range block from Serbia goalkeeper Vladimir Stojkovic when Marcelo limped off the field after a back spasm on 10 minutes, but the early setback did not prevent Brazil seizing control of Group E nine minutes before half-time.
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Apple is said to be looking into including a heart-rate monitor and other biometric sensors with future AirPods as well. They were originally scheduled to arrive by the end of 2018 but development challenges pushed back release.