Switzerland booked their place in the World Cup knockout stages with a 3-2 victory, but only after suffering a huge scare from Serbia in an epic four-goal first-half.
Lionel Messi missed a penalty but Argentina still clinched top spot in Group C with a 2-0 win over Poland, who squeezed into the last 16 on goal difference.
Casemiro fired Brazil into the last 16 of the World Cup with a late strike in their 1-0 win over Switzerland, despite the five-time winners missing injured Neymar.
Croatia came from behind to knock Canada out of the World Cup with a 4-1 victory in their Group F clash.
Morocco earned only their third World Cup win against FIFA's second-best-ranked team Belgium with goals from Romain Saiss and Zakaria Aboukhlal.
Costa Rica ignited their World Cup campaign with a smash-and-grab 1-0 win over Japan at the Ahmad bin Ali Stadium.
Lionel Messi's superb long-range strike helped revive Argentina's flagging World Cup hopes as they claimed a crucial 2-0 win over Mexico at the Lusail Stadium.
England edged closer to a place in the World Cup knockout rounds with a 0-0 draw with USA - but their lacklustre display was a reality check on their ambitions.
Ecuador hit back to hold Netherlands to a 1-1 draw in the second game of their Group A campaign at the 2022 World Cup.
Hosts Qatar stand on the brink of elimination just two games into the World Cup after a 3-1 defeat to Senegal at Al Thumama Stadium.
Cristiano Ronaldo became the first man to score in five World Cups as his penalty helped Portugal secure a 3-2 win over Ghana in a thrilling Group H encounter.
Ten-man Wales suffered heartbreak as two goals in second-half stoppage time sealed a 2-0 win for Iran to leave their World Cup knockout hopes hanging by a thread.
Michy Batshuayi steered Belgium to an unconvincing 1-0 victory over Canada in the opening game of their 2022 World Cup campaign.
Spain began their World Cup campaign with a display of total dominance as they thrashed Costa Rica 7-0 to provide an early statement about their tournament credentials.
Japan stunned Germany with a late comeback in their World Cup opener, with Ritsu Doan and Takuma Asano goals seeing them win 2-1 at the Khalifa International Stadium.
Saudi Arabia produced one of the greatest upsets in World Cup history as Salem Al-Dawsari's stunning solo effort secured a 2-1 victory over Argentina in Group C.
Late goals from Cody Gakpo and Davy Klaassen gave Netherlands victory against Senegal in their opening Group A match of the 2022 World Cup.
England got their World Cup campaign in Qatar off to a flying start as Gareth Southgate’s side roared to a 6-2 victory against Iran.
Qatar became the first host nation to lose the opening game of a World Cup as Ecuador kicked off the tournament with a dominant 2-0 victory.
Cameroon kept alive their faint hopes of reaching the round of 16 after substitute Vincent Aboubakar inspired a breathless comeback in a 3-3 draw with Serbia.