Top-level teams from Africa,[1] Asia,[2] Europe,[3] and Oceania,[4] have played in the tournament since the first edition in 2014.

[5] The Auckland Blues of New Zealand won the final by 10–5 after double extra time against Australia's ACT Brumbies.

[6] However, the event was overshadowed by a serious injury during the third-place playoff match that ended the rugby career of Welsh player Owen Williams.

[8] In an all-Australian final, the Western Force won the title by 7–0 to leave the ACT Brumbies as runner-up for a second time.

[9] The Blue Bulls from South Africa reached the final in 2017 and 2018, winning back-to-back titles against the Free State Cheetahs and Newcastle Falcons, respectively.