Defending Olympic champion Brazil defeated L 'Germany Thursday in what was a rematch of the Rio 2016 men football . Forward Richarlison scored a superb hat-trick in the first half as Brazil beat Germany 4-2 in their opening game of Summer Games 2020 in Japan. Brazil also beat the Germany five years ago at home, winning a spectacular penalty shootout inu aim to claim the gold medal. Thursday's game was held at the Yokohama International Stadium - the same place where Brazil beat Germany in the final World Cup 2002. Everton striker Richarlison 's hat-trick in the first 30 minutes helped Brazil to start again towards victory, although second-half goals from Nadiem Amiri and Ragnar Ache made it 3-2 and a nervous finish.Read moreHowever, a late goal from Bayer Leverkusen striker Paulinho crowned victory and gave Brazil a vital three-point opening. Richarlison (# 10) mark Brazil's third goal in the Men's D-Match first round against Germany during the Tokyo 2020 Olympic Games at Yokohama International Stadium on July 22, 2021 in Yokohama, Tokyo, Japan. READ: Mexico beats France and Spain held Elsewhere on Thursday, Japan got off to a successful start, beating South Africa 1-0. South Africa had been exhausted from Co infections.vid-19 after two players and a video analyst tested positive for Covid-19 in Tokyo on Sunday. 18 players were subsequently identified as close contacts and were forced to self-isolate in their respective rooms in Tokyo Olympic Village. A team of 17 South African players did, however, pass pre-match Covid-19 protocols allowing Thursday's game to take place at Tokyo Stadium. Visit CNN.com/sport for more news , features and videos There were also several surprises in the men's tournament without any member of the 'Spain, France or Argentina won ' t win their matches. Mexico stunned France 4-1, Australia beat Argentina 2-0and Spain, the last European men's team to win gold in 1992, were held to a goalless draw by Egypt.