The rest of the seeds
Here are the nations expected to do best in the opening round robin - at least judged on their seeding.
They are bidding to join England, Wales, the Netherlands and Scotland in round two.
5 Belgium - Dimitri Van den Bergh, Kim Huybrechts.
6 Northern Ireland - Josh Rock, Brendan Dolan.
7 Germany - Martin Schindler, Gabriel Clemens.
8 Australia - Damon Heta, Simon Whitlock.
9 Republic of Ireland - William O'Connor, Keane Barry.
10 Austria - Rowby-John Rodriguez, Mensur Suljovic.
11 Poland - Krzysztof Ratajski, Radek Szaganski.
12 Czechia - Adam Gawlas, Karel Sedlacek.
13 Croatia - Boris Krcmar, Romeo Grvabac.
14 France - Jacques Labre, Thibault Tricole.
15 Sweden - Jeffrey de Graaf, Oskar Lukasiak.
16 USA - Danny Lauby, Jules van Dongen.