Brazil, Canada, Germany, Georgia, Hong Kong, Japan, Namibia, Paraguay, Portugal, Romania, Russia, the United States and Uruguay A all played at least one test match during the three-week international window.
Scotland became the first Tier 1 nation to play a Test match on a fully artificial pitch when they hosted Tonga at Rugby Park, Kilmarnock, winning 37–12.
Therefore, this was the first official test match between the two in America since 1913, when the All Blacks were 51–3 victors, and the last meeting between the two nations took place during the 1991 Rugby World Cup.
Australia traveled to Wales, Ireland, England and France, who they had beaten 3–0 in their 2014 June Test series.
Following a reduced 2014 IRB Pacific Nations Cup, the IRB organized[citation needed] matches between the Pacific island countries and North American teams at neutral venues in Europe; Tonga and Fiji played the United States, while Samoa played Canada.