Uruguay booked their place in the last 16 of the World Cup after a 1-0 win over Saudi Arabia in Rostov-on-Don on Wednesday afternoon.
Cristiano Ronaldo continued his sensational start to the World Cup with the winner as Portugal knocked Morocco out of the tournament.
Mo Salah finally made his World Cup bow and scored a goal but the Egyptian could not save his country as the Pharaohs' hopes of progressing to the knockout stages of football's showpiece event were all but ended by a clinical Russia.
Senegal deservedly defeated Poland in a game of few chances to claim the first win by an African team at the World Cup - although there was a hint of controversy about their second goal.
Belgium striker Romelu Lukaku will "remember to have fun" at the World Cup, despite claiming "some people in my own country want to see me fail".
The 25-year-old Manchester United forward scored twice in a 3-0 win over Panama in Sochi on Monday.
It’s time for me to handover to my colleague Ben Fisher and ride off in to the antipodean sunset. Thanks for your company and apologies to those whose emails/tweets etc I couldn’t include.
Add Brazil to the list of World Cup contenders that ran into a roadblock in the opening match of the tournament.
Defending champions Germany made a disastrous start to their bid to win back-to-back World Cups with a shock defeat by Mexico.
Croatia made a winning World Cup start against Nigeria, as Oghenekaro Etebo's own goal and a Luka Modric penalty decided a poor Group D match in Kaliningrad.