Pool B of the 2015 Rugby World Cup began on 19 September and was completed on 11 October 2015.
[1] The pool was composed of South Africa, Samoa and Scotland – who all qualified automatically for the tournament due to finishing in the top three positions in their pools in 2011 – joined by the top Asian qualifier, Japan, and the second American qualifier, United States.
South Africa and Scotland qualified for the quarter-finals.
[2] All times are local United Kingdom time (UTC+01) Man of the Match: Fumiaki Tanaka (Japan) Touch judges: JP Doyle (England) Federico Anselmi (Argentina) Television match official: Graham Hughes (England) Notes: Man of the Match: Tim Nanai-Williams (Samoa) Touch judges: Jaco Peyper (South Africa) Federico Anselmi (Argentina) Television match official: Graham Hughes (England) Man of the Match: Greig Laidlaw (Scotland) Touch judges: George Clancy (Ireland) Marius Mitrea (Italy) Television match official: Shaun Veldsman (South Africa) Notes: Man of the Match: Handré Pollard (South Africa) Touch judges: JP Doyle (England) Angus Gardner (Australia) Television match official: Graham Hughes (England) Notes: Man of the Match: Stuart Hogg (Scotland) Touch judges: John Lacey (Ireland) Mike Fraser (New Zealand) Television match official: Ben Skeen (New Zealand) Man of the Match: Ayumu Goromaru (Japan) Touch judges: Wayne Barnes (England) Stuart Berry (South Africa) Television match official: Ben Skeen (New Zealand) Notes: Man of the Match: Lood de Jager (South Africa) Touch judges: Chris Pollock (New Zealand) Leighton Hodges (Wales) Television match official: George Ayoub (Australia) Notes: Man of the Match: Damian de Allende (South Africa) Touch judges: Nigel Owens (Wales) Mike Fraser (New Zealand) Television match official: George Ayoub (Australia) Notes: Man of the Match: John Hardie (Scotland) Touch judges: JP Doyle (England) Marius Mitrea (Italy) Television match official: Ben Skeen (New Zealand) Notes: Man of the Match: Ayumu Goromaru (Japan) Touch judges: John Lacey (Ireland) Federico Anselmi (Argentina) Television match official: Shaun Veldsman (South Africa) Notes: