The tournament featured 16 players (8 PDC representatives and 8 North American representatives) and was held at the Mandalay Bay in Las Vegas on 6–7 July 2018.

[1][2] Michael van Gerwen was the defending champion after defeating Daryl Gurney 8–6 in the 2017 final.

[3] However, he lost 8–3 in the quarter-finals to James Wade.

Gary Anderson won his sixth World Series title after beating Rob Cross 8–4 in the final.

The eight PDC representatives are:[4][5] The North American qualifier winners were:[6] The top 4 North American Order of Merit qualifiers were: