The England pairing of Phil Taylor and Adrian Lewis were the reigning champions, after beating the Netherlands' Michael van Gerwen and Raymond van Barneveld 3–2 in the 2016 final.

The Netherlands went on to win their third title after beating Wales, represented by Gerwyn Price and Mark Webster, in the final 3–1.

If necessary, one or two best of seven legs singles matches in reverse order are played to determine the champion.

[3][4] Brazil and Latvia were due to make their debuts, with Norway and the Philippines missing from last year's tournament, but on the day of the announcement of all the teams, Latvia (who were to be represented by Madars Razma and Nauris Gleglu) withdrew and were replaced with another debutant in Switzerland.

If necessary, one or two best of seven legs reverse singles matches are played to determine the champion.