Yuki Nagasato struck a last-gasp winner as Japan kept its hopes of reaching the quarterfinals of the Women's World Cup alive with a 1-0 defeat of Argentina on Friday. Kozue Endo came closest to breaking the deadlock for the Japanese when she hit the post after just two minutes, but Hiroshi Ohashi's team looked as though it might have to settle for a point despite controlling for long periods at Shanghai Hongkou Football Stadium.