The 41-year-old cited personal reasons for her departure, bringing to an end a four-year stint which included 35 senior international matches.

The development comes six months ahead of the continental Finals, which will be staged in India for the first time starting on January 20.

A fast start by Brazil saw Marta and Debinha give the two-time Olympic silver medallists a 2-0 lead before China PR asserted themselves in the tie under the hot afternoon sun.

Brazil, however, added goals through Marta, Andressa Alves and Beatriz late in the second half for the emphatic win over Jia Xiuquan’s Steel Roses .

The Japanese have their sights sets on winning a first medal since 1968, when striker Kunishige Kamamoto led the country to the bronze medal in Mexico City with a 2-0 win over the competition’s hosts.

Moriyasu’s side have impressed during the build-up to the competition and go into the meeting with the South Africans unbeaten in their last five games, during which time they have claimed some impressive results.

Appearing in men’s football at the Games for the first time since Beijing 2008, the Olyroos are considered outsiders in a daunting group featuring Argentina, Spain and Egypt.

The fixture marks the start of a challenging group for the young Green Falcons who were also pitted against both finalists from Rio 2016 - Brazil and Germany.

Coach Kim Hak-bum's side will want to kick off their Group B campaign with a winning start but they will need to improve upon defensive issues that arose in their two warm-up matches against Argentina and France last week.

In both games, errors at the back presented their opponents with opportunities that they did not spurn and the absence of gifted centre-back Kim Min-jae, who was originally selected as one of the three overage players but was not released by club Beijing FC, seems to have hamstrung the defence.

The win at the BBVA Stadium meant Felix Sanchez’s side finished top of Group D with seven points, one ahead of Honduras, with both sides advancing to the quarter-finals.

Reigning AFC Asian Cup champions Qatar will face El Salvador on Saturday while Honduras will play Mexico.