Defending champion Germany suffered a shocking defeat, while Brazil, Spain and Argentina -- the other pre-tournament favourites -- managed just draws in their opening round matches.
News of all that's transpired on and off the football field
A round-up of Friday's Euro 2020 qualifying matches.
An inexperienced Germany suffered an embarrassing 3-1 defeat to Slovakia in a storm-affected friendly ahead of Euro 2016.
Images from the 2020 Euro Championships qualifiers played on Saturday
Serge Gnabry continued his impressive scoring run for Germany, netting in second-half stoppage time for his ninth goal in his 10th international, completing Germany's eighth consecutive win over Northern Ireland.
World champions Germany cruised to a comfortable 4-1 victory over Azerbaijan to stay on track for a spot in next year's World Cup in Russia, while England laboured to a 2-0 victory over Lithuania.
News of all that's transpired on and off the football field
Sweden beat Italy 1-0 to gain the upperhand after their World Cup playoff first leg on a chilly night, while a young England side held Germany goalless and Belgium drew 3-3 with Mexico despite Romelu Lukaku's double but France eased to a 2-0 victory against Wales.
Ireland stunned world champions Germany 1-0 thanks to Shane Long's 70th-minute strike on Thursday to throw Euro 2016 qualifying Group D game.
Images from the FIFA World Cup qualifying matches on Sunday night.
Germany defender Nico Schulz scored a late winner as their new-look side snatched a 3-2 win away to the Netherlands in their opening Euro 2020 Group C qualifier on Sunday, an absorbing clash that swung in fortunes from one side to the other.
IMAGES from the FIFA World Cup qualifiers played across Europe on Sunday
A round-up of all the international friendlies played on Tuesday
Mario Mandzukic and Nikola Kalinic grabbed hat-tricks as Croatia achieved a record win as an independent nation by demolishing San Marino 10-0 in their final Euro 2016 warm-up match in Rijeka.
Marcus Rashford's superb second-half strike earned England a 2-1 comeback victory over Slovakia on Monday that put them on the verge of qualification for next year's World Cup finals.
News of all that's transpired on and off the football field
Isco scored in the sixth minute of stoppage time as Spain launched an improbable fightback to snatch a 2-2 friendly draw against England with both their goals coming after the 89th minute at Wembley on Tuesday.
With eight teams remaining at Euro 2016, a guide to the form of the quarter-finalists, looking at their strengths and weaknesses.
News of all that's transpired on and off the football field
Summary of World Cup qualifiers played across the world on Thursday
The mesmerising moments that made the 2018 FIFA World Cup a blockbuster worldwide.
World champions Germany drew 1-1 with Spain in a high tempo friendly on Friday as they launched their preparations for a title defence in Russia while their opponents had striker Diego Costa making his long-awaited comeback as a substitute.
It will have made uneasy viewing for coach Jorge Sampaoli and emphasised more than ever how reliant his side are on their talisman Messi, who has been struggling with a muscle problem.
Roberto Firmino's goal gave Brazil a 1-0 victory over Chile in a feisty friendly at the Emirates Stadium in London on Sunday, their eighth successive win since last year's disappointing World Cup campaign.