Four years later, in Brazil, Spain was knocked out of the tournament at the group stages by a tough Netherlands side.
"I don't know if it was the darkest day for German football, but it was definitely a very black one", Kroos told reporters. How are we going to be risky to an opponent if we do not get our performance right?
Few gave the Koreans any chance of reversing that defeat on Wednesday, with some bookmakers offering odds of 100-1 on a 2-0 win, but as coach Shin Tae-yong said ahead of the match: "The ball is round, anything can happen".
Germany, the winners of the last World Cup in 2014, opened up their campaign in Russian Federation with a narrow 1-0 defeat to Mexico.
Having lost 1-0 to Mexico, Toni Kroos' last-gasp victor against Sweden gave the Germans hope but Joachim Low's men not only failed to get past South Korea but lost 2-0 to finish bottom of the pile in Group F.
"Zizou" made a return for the must-win game against Denmark but he was a shadow of his former self and France lost 2-0, eliminated from the tournament with only one point and no goals.
"A World Cup is only comes around every four years, and we expected so much more".
No team has ever won its first two games at the World Cup and not advanced in group play where the top two teams go through.
Sport often tends to sympathize with the underdogs and it is for that reason that South Korea enjoyed a huge backing not just in the Spartak Stadium but throughout the country.
"I can't believe it, my pulse was 180 the whole game, but they deserved to lose", she said. But we have young players who are talented and have the potential to go forward.
Mexico's only hope was Germany, the defending champion, didn't win. However, Die Mannschaft suffered a shock 1-0 defeat against Mexico in their opening match to leave their group open for the taking.
Germany's elimination means we will see a new world champion this year. "The disappointment is deep inside me".