Brazil’s Neymar Jr. reacts during the match between Brazil and Switzerland on Sunday, June 17. Switzerland held Brazil to a 1-1 draw.
Switzerland’s Breel Embolo, left, and Brazil’s Fernandinho fall.
Photographers work during the match.
Valon Behrami of Switzerland fouls Neymar Jr. of Brazil.
Switzerland’s Steven Zuber reacts after scoring.
Supporters of Brazil gather to watch the match at a public viewing event in Sao Paulo, Brazil.
Brazil’s Philippe Coutinho celebrates with teammates after scoring his side’s opening goal during the match between Brazil and Switzerland.
The German team leaves the pitch dejected after losing their World Cup opener to Mexico.
Javier Hernandez of Mexico leaps to clear the ball.
Hirving Lozano of Mexico celebrates with teammates after scoring against Germany. Mexico ultimately defeated Germany, the defending World Cup champions, 1-0.
Germany’s midfielder Sami Khedira, right, and Mexico’s defender Hector Moreno fall after attempting to head the ball.
Fans of Germany wave flags before facing off with Mexico.
Giancarlo Gonzalez of Costa Rica, right, vies for the ball against Serbia’s Aleksandar Mitrovic.
Serbia’s midfielder Nemanja Matic, center-right, is held back by Costa Rica players following an altercation with one of their coaches.
Serbia’s Dusko Tosic, in white, collides with Costa Rica’s Johnny Acosta.
Serbian players, background, celebrate their goal against Costa Rica.
Marcos Ureña of Costa Rica runs on to the pitch.
Luka Modric of Croatia celebrates with teammates after scoring the 2-0 lead during their game against Nigeria on Saturday, June 16. Croatia won 2-0.
Domagoj Vida of Croatia and Kelechi Iheanacho of Nigeria pursue the ball.
William Ekong of Nigeria pulls down Mario Mandzukic of Croatia in the box to concede a penalty.
John Obi Mikel of Nigeria runs with the ball.
Luka Modric of Croatia celebrates with Ante Rebic after scoring from a penalty.
Denmark’s Yussuf Poulsen reacts after he scores a goal. Denmark beat Peru 1-0.
Martin Braithwaite of Denmark, right, and Luis Advincula of Peru fight for the ball.
Peru fans look dejected following their side’s defeat.
Denmark’s Andreas Christensen goes down during the match between Peru and Denmark.
Denmark goalkeeper Kasper Schmeichel makes a save during the match.
Argentina’s Lionel Messi, left, and Iceland’s Hordur Magnusson struggle for the ball.
Argentina’s Messi appears downcast at the end of the match, where Iceland held his team to a 1-1 draw.
Iceland’s fans cheer during the match.
Argentina’s Lucas Biglia, front, heads the ball with Iceland’s Kari Arnason.
Paul Pogba, right, celebrates with his teammates after scoring France’s second goal against Australia. France won the match 2-1.
Australia’s Mathew Leckie, front, and France’s Raphael Varane challenge for the ball.
France’s Pogba keeps his eye on the ball.
Fans of France share a kiss before the match with Australia.
Australian goalkeeper Mathew Ryan punches the ball clear from France’s Samuel Umtiti.
Portugal star Cristiano Ronaldo celebrates his first-half penalty against Spain on Friday, June 15. He added two more goals in the 3-3 draw.
Spanish defender Nacho, left, competes for a header with Portugal’s Bruno Fernandes. Nacho conceded the early penalty to Ronaldo but responded with a second-half goal.
Ronaldo coolly slots home his penalty.
Portuguese defender Raphael Guerreiro controls the ball in the match against Spain.
Nacho challenges Andre Silva. The Iberian derby was a matchup of the last two European champions.
Spanish striker Diego Costa kneels on the goal line after scoring his second goal of the night. This one tied the match at 2-2.
Morocco’s Aziz Bouhaddouz lies on the ground after heading the ball into his own net late in stoppage time on Friday. The whistle was blown just a few moments later, and Iran won 1-0.
Fans enjoy the atmosphere before the Iran-Morocco match.
Moroccan defender Mehdi Benatia, foreground, competes for a header.
Iran’s Alireza Jahanbakhsh grimaces in pain in front of Morocco’s Romain Saiss.
Iran’s Karim Ansarifard is defended by Morocco’s Noureddine Amrabat.
Jahanbakhsh shares a light-hearted moment with Morocco’s Ayoub El Kaabi, foreground, after they collided during the match.
Uruguayan defender Jose Gimenez, third from right, heads in the only goal in Friday’s victory over Egypt. The winner came off a free kick in the 89th minute.
Uruguay’s Luis Suarez, left, and Egypt’s Sam Morsy battle for the ball.
Fans watch the Egypt-Uruguay match from temporary seats set up at the Ekaterinburg Arena. The seats had to be installed to meet FIFA’s minimum-seating requirement.
Egyptian midfielder Abdallah Said heads the ball during Friday’s match.
Egyptian star Mohamed Salah never entered the match against Uruguay. The African Player of the Year is coming off a shoulder injury he suffered in the Champions League final.
Artem Dzyuba celebrates his goal that put Russia up 3-0 in the opening match against Saudi Arabia.
Denis Cheryshev slips past Saudi defenders to score Russia’s second goal just before halftime. Cheryshev was a first-half substitute who came on when Alan Dzagoev injured his hamstring.
Fedor Smolov fights off two Saudi defenders. Russia and Saudi Arabia came into the match as the lowest-ranked teams in the tournament.
Fans watching from Yekaterinburg, Russia, celebrate Russia’s first goal.
The ball flies past Saudi Arabian goalkeeper Abdullah Al-Mayouf for Russia’s fourth goal.
Yuri Gazinsky heads the ball to score the opening goal in the 12th minute.
A fan wears body paint in Russia’s colors before the opening match.
Russian President Vladimir Putin speaks to the crowd before kickoff at the Luzhniki Stadium.
Performers take part in the tournament’s opening ceremony.
British pop star Robbie Williams headlined the opening ceremony.
Russian soprano Aida Garifullina sings during the opening ceremony.