Matches between England and France and Japan and Scotland this weekend may be moved with a huge tropical storm approaching.
Josh Adams' hat-trick helped Wales secured a quarter-final spot at the Rugby World Cup with a 29-17 victory over Fiji, who were eliminated.
Argentina ended their Rugby World Cup campaign with a 47-17 win over the United States, but their exit disappointed Mario Ledesma.
A 61-0 thrashing of Russia technically kept Scotland's Rugby World Cup qualification hopes in their own hands, with Japan up next.
Argentina ended their 2019 Rugby World Cup campaign on a high with a resounding 47-17 win over the United States on Wednesday.
Gregor Townsend's much-changed Scotland side secured a key bonus-point win over Russia in Fukuroi.
Jason Robinson was impressed by Japan's victory over Ireland and thinks they have a real shot at further shocks in the Rugby World Cup.
Australia's frequent concession of penalties at the Rugby World Cup has been a source of concern for head coach Michael Cheika.
A much-changed South Africa were unhindered by humid conditions as they dismantled Canada in Kobe, delighting Rassie Erasmus.
Cobus Reinach scored a hat-trick inside 20 minutes as South Africa thumped Canada 66-7 to reach the quarter-finals at the Rugby World Cup.