Host Japan face a possible last-place finish in the Tokyo Olympics men's rugby sevens tournament after suffering a 36-12 group stage loss to Canada followed by a 21-7 defeat to Kenya on Tuesday.On Monday, Japan wasted a halftime lead in a disappointing 24-19 defeat to defending champion Fiji in their opener before being hammered 34-0 by Great Britain. The hosts wrapped up the group stage without a win. Against Kenya, Japan wasted an early 7-0 lead.Japan, surprising fourth-place finishers in 2016, will now face South Korea on Wednesday to determine 11th and 12th place in the 12-team tourname…READ FULL ARTICLE