Key dates:
Oct 16: FIFA October ranking which will determine the seeds
Oct 17: Draw for European playoff games where four seeded teams (Switzerland, Italy, Croatia and Denmark) will know their rivals (Ireland, Northern Ireland, Sweden and Greece)
Nov 10-14: Remaining qualification games to determine the final 9 teams (4 European, 3 African and 2 teams from intercontinental games)
Dec 1: WC Group Stage draw
Jun 14-July 15: WC games in Russia