> These nations have met once before in the Olympic Games. In 2004 in Athens, Argentina defeated Japan 3-1. Inés Arrondo, Agustina Soledad Garcia and Marina Di Giacomo netted for 'Las Leonas'. Rika Komazawa salvaged a consolation goal for Japan.
> Japan's only competitive victory over Argentina came in their first ever competitive encounter in the 1981 World Cup when Japan emerged victorious 3-2.
> These two nations are still undefeated after two matches played in this tournament.
> Japanese midfielder Mayumi Ono will be celebrating her 24th birthday on the day of the match.
> Argentina have started this tournament with a pair of 2-2 draws, losing a 2-0 lead in each.
> Argentina have converted 3 of 17 penalty corner attempts. Ace marksman Noel Barrionuevo is mired in an 0-for-8 rut so far in Beijing.
> Japan have scored one of seven penalty corners in the first two matches of the competition.