Switzerland, Italy, Croatia and Denmark will be seeded in a pull for a FIFA World Cup play-offs in Zurich during 14:00CET on Tuesday after a FIFA World Rankings for Oct 2017 were published.
Seeded: Switzerland (ranking 11th), Italy (15th), Croatia (18th), Denmark (19th)
Unseeded: Northern Ireland (23rd), Sweden (25th), Republic of Ireland (26th), Greece (47th)
SEEDED

Group B runners-up: W9 D0 L1 F23 A7
Top scorer: Haris Seferović 4
Previous World Cups: 10 – 1934, 1938, 1950, 1954, 1962, 1966, 1994, 2006, 2010, 2014
Best performance: Quarter-finals (1934, 1938, 1954)
Previous play-offs: W1 L0
2006 World Cup: 4-4 v Turkey (won on divided goals) – 2-0h, 2-4a

Group G runners-up: W7 D2 L1 F21 A8
Top scorer: Ciro Immobile 6
Previous World Cups: 18 – 1934, 1938, 1950, 1954, 1962, 1966, 1970, 1974, 1978, 1982, 1986, 1990, 1994, 1998, 2002, 2006, 2010, 2014
Best performance: Winners (1934, 1938, 1982, 2006)
Previous play-offs: W1 L0
1998 World Cup: 2-1 v Russia – 1-1a, 1-0h

Group we runners-up: W6 D2 L2 F16 A7
Top scorer: Mario Mandžukić 5
Previous World Cups: 4 – 1998, 2002, 2006, 2014
Best performance: Third place (1998)
Previous play-offs: W4 L0
2014 World Cup: 2-0 v Iceland – 0-0a, 2-0h
UEFA EURO 2012: 3-0 v Turkey – 3-0a, 0-0h
UEFA EURO 2004: 2-1 v Slovenia – 1-1h, 1-0a
1998 World Cup: 3-1 v Iceland – 2-0h, 1-1a

Group E runners-up: W6 D2 L2 F20 A8
Top scorer: Christian Eriksen 8
Previous World Cups: 4 – 1986, 1998, 2002, 2010
Best performance: Quarter-finals (1998)
Previous play-offs: W1 L1
UEFA EURO 2016: 3-4 v Sweden – 1-2a, 2-2h
UEFA EURO 2000: 8-0 v Israel – 5-0a, 3-0h
UNSEEDED:

Group C runners-up: W6 D1 L3 F17 A6
Top scorers: Kyle Lafferty, Josh Magennis 3
Previous World Cups: 3 – 1958, 1982, 1986
Best performance: Quarter-finals (1958)
Previous play-offs: none

Group A runners-up: W6 D1 L3 F26 A9
Top scorer: Marcus Berg 8
Previous World Cups: 11 – 1934, 1938, 1950, 1958, 1970, 1974, 1978, 1990, 1994, 2002, 2006
Best performance: Runners-up (1958)
Previous play-offs: W1 L0
UEFA EURO 2016: 4-3 v Denmark – 2-1h, 2-2a

Group D runners-up: W5 D4 L1 F12 A5
Top scorer: James McClean 4
Previous World Cups: 3 – 1990, 1994, 2002
Best performance: Quarter-finals (1990)
Previous play-offs: W3 L4
UEFA EURO 2016: 3-1 v Bosnia and Herzegovina – 1-1a, 2-0h
UEFA EURO 2012: 5-1 v Estonia – 4-0a, 1-1h
2010 World Cup: 1-2 v France – 0-1h, 1-1a (aet)
2002 World Cup: 2-1 v Iran – 2-0h, 0-1a
UEFA EURO 2000: 1-1 v Turkey (lost on divided goals) – 1-1h, 0-0a
1998 World Cup: 2-3 v Belgium – 1-1h, 1-2a
EURO ’96: 0-2 v Netherlands – one-off diversion in Liverpool

Group H runners-up: W5 D4 L1 F17 A6
Top scorer: Kostas Mitroglou 6
Previous World Cups: 3 – 1994, 2010, 2014
Best performance: Round of 16 (2014)
Previous play-offs: W2 L0
2014 World Cup: 4-2 v Romania – 3-1h, 1-1a
2010 World Cup: 1-0 v Ukraine – 0-0h, 1-0a
Article source: http://www.uefa.com/european-qualifiers/news/newsid=2509228.html?rss=2509228+World+Cup+play-off+seedings+confirmed