The Hong Kong Cup of Nations is a fifteens rugby tournament which in 2015 featured four national sides – Hong Kong, Portugal, Russia and Zimbabwe – playing six test matches on 13, 17 and 21 November 2015. The round-robin competition replaced the HKRU’s autumn international test series. All Cup of Nations matches were played at Hong Kong Football Club and the 2015 champions were Russia, with Hong Kong second, Portugal third and Zimbabwe fourth.