Japan opened the scoring through a penalty caused by Carlos Sanchez who deliberately blocked the shot with his hand from the effort of Shinji Kagawa.
The captain Kagawa stood up and converted the penalty to give his side the early lead.
Carlos Sanchez was sent off as a result of the handball in the 18-yard box which became the second quickest red card in the history of the World Cup.
After Japan had taken the lead, the Colombian's grew and began committing more men forward which eventually paid off in the first
half as Juan Quintero's clever rolling free kick from just outside the penalty area sneaked inside the post, just past the outstretched hand of Japan goalkeeper Eiji Kawashima, to level things up before the break.
Japan capitalised on the red card by pressuring the Colombians in the second half. Finally, Yuya Osako popped up with a
vital header which sealed the victory for the Japans.
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Japan top the group as Senegal play Poland later.
England one of the favourites for the tournament got off to a flying start.
Harry Kane who is a predator in the box latched onto a rebound in the 11 minute to give England the lead.
The English dominated large portions of the game until an elbow from Kyle Walker to the face of Tunisian player Ben Youssef resulted in a penalty.
Tunisian midfielder Ferjani Sassi stepped up and converted the spot-kick in the 35th minute.
Tunisia held their own and drew 1-1 at halftime.
England started the second half a bit dull but came to life in the latter stages as they threw everything at the Tunisian defence.
Read also:Russia 2018: Belgium ease past Panama
The winner came in added time after Harry Kane connected to a header from Harry Maguire to win it 2-1 for England.
Africa are still without a win as Egypt, Morocco, Nigeria and Tunisia have all lost their opening games.
Senegal will play Poland on June 19, 2018.
Lionel Messi missed a penalty as his side were surprisingly held by debutants Iceland in their opening Group D game on Saturday.
Maradona, a former national team coach, watched on at the Spartak Stadium.
"I get the feeling there's an anger at the heart of the team," he said.
Argentina took the lead through Sergio Aguero in the 19th minute but Iceland, playing at their first ever finals, levelled four minutes later through Alfred Finnbogason.
"It's a disgrace. Not having prepared for the match knowing that Iceland are all 1.90m tall," the 1986 World Cup winner told Venezuelan television.
Messi said it "hurts" to have had his penalty saved
Messi was looking to match the impact his old rival Cristiano Ronaldo has made on the tournament - the Portuguese scored a sensational hat-trick against Spain on Friday night.
But his 63rd-minute spot kick was saved by Hannes Halldorsson and he struggled to break down a well-organised Iceland defence.
"I don't blame the players. I could blame the lack of work rate. But I can't blame the players, much less Messi, who gave it all he had," said Maradona.
Read also:Russia 2018: Messi misses a penalty as Argentina are held by Iceland
"I missed five penalties on the spin and I was still Diego Armando Maradona. I don't think that they dropped two points because Messi missed a penalty," added the 57-year-old, who led Argentina to the quarter-finals in South Africa in 2010.
Argentina play Croatia in their next game in Saint Petersburg on 21 June.
Source: BBC
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