Three-time Asian champions, Iran, managed by Portuguese coach Carlos Queiroz, finished first in its group during the World Cup qualifiers earlier in June and was the third team to secure a birth in Russian Federation after the host and Brazil.
Centre back Virgil van Dijk will miss the World Cup following the Netherlands' disappointing qualifying campaign, as will Chile's Gary Medel, who was selected as the second central defender.
After a group-stage exit at the Confederations Cup, Russia coach Stanislav Cherchesov has experimented with his team in three recent friendlies, with mixed results. The highest-ranked teams will be placed in Pot 1, the next-highest in Pot 2...
Asia: Iran, Japan, Saudi Arabia, South Korea.
South America qualifier: Brazil led by PSG star Neymar emerged as the CONMEBOL winners, Uruguay starring captain Diego Godin and strikers Cavani and Suarez were runners-up.
James Rodriguez celebrates his goal in Colombia's draw with Peru.
There are still final games to play in African qualifying, with three of the five groups still yet to produce a guaranteed victor.
Cristiano Ronaldo's European champions Portugal face a game at home against Switzerland on Tuesday that will see one of the two teams seal the sole automatic qualifying spot.
The current standings and remaining fixtures are available here. The most renowned masters of Russian handicraft are engaged in making collections of souvenirs for the 2018 World Cup in Russia, said a senior official with the Russian Handicraft and Art Association.
Panama, beaten 4-0 by a Christian Pulisic-inspired USA side last time out, now look destined for a play-off match against either Syria or Australia to land a World Cup place for the first time in their history.