South Africa are strong favourites to inflict revenge on Japan four years after the Springboks were humiliated in Brighton.
Captain Michael Leitch says Japan will not fear South Africa and have increasing confidence they can reach the semi-finals.
Warren Gatland has no concerns over Dan Biggar after the fly-half was passed fit despite missing Wales' last match due to concussion.
Warren Gatland has seen Wales' players step it up in training ahead of Sunday's last-eight showdown with France at the Rugby World Cup.
Mark Keohane in his Independent Media and IOL Sport Rugby World Cup daily column, is super confident the Springboks will prove too powerful for host nation...
New Zealand will benefit from the fearless nature of Sevu Reece and George Bridge against Ireland, All Blacks assistant Ian Foster believes.
Ryohei Yamanaka will start for Japan against South Africa, with Jamie Joseph forced to make a single change for the quarter-final tie.
Having been left out of France's last two teams amid reports of a bust-up with his coach, Guilhem Guirado will lead Les Bleus against Wales.
Wales have received a boost for their quarter-final with France after Dan Biggar, Jonathan Davies and George North were all passed fit.
Eddie Jones is braced for England's quarter-final meeting with rivals Australia in Oita.