In-form Greece are favourites to take a first-leg advantage when they host Romania in their FIFA World Cup play-off on Friday.
Fernando Santos' side missed out on automatic qualification for next year's tournament in Brazil on goal difference after finishing level on points with Bosnia-Herzegovina in Group G.
Greece should head into the first leg at Georgios Karaiskakis Stadium in Piraeus with plenty of confidence, though, having won their last six games without conceding a goal.
The 2004 European champions won eight of their 10 qualifiers and conceded only four goals in the process, amassing more points than any other second-placed side in the European qualifying groups.
However, Greece, who are ranked 15th in the world, will be without Kyriakos Papadopoulos against Romania as the Schalke defender continues to struggle with a knee injury.
Konyaspor striker Fanis Gekas, 33, has been recalled by Santos in an experienced squad that also includes skipper Giorgos Karagounis, 36, and 34-year-old midfielder Costas Katsouranis.
Greece have appeared in just two World Cup finals, the second of which was in South Africa three years ago.
Romania have not featured in the finals since the 1998 showpiece in France, but they kept their hopes of reaching Brazil alive by securing a play-off place in Group D.
Victor Piturca's side finished nine points behind runaway pool winners the Netherlands, but did enough to end two and three points above Hungary and Turkey.
They will be without captain Vlad Chiriches after the defender suffered a broken nose playing for Tottenham against Newcastle in the Premier League, but Piturca is hopeful the side can cope without the centre-back.
"Chiriches is very important for us, not only because he's our captain. But as I said many times, no team is dependent on only one player," he said.
Striker Adrian Mutu, Romania's joint-leading record goalscorer, was omitted from Piturca's squad, but the likes of Getafe striker Ciprian Marica and Genclerbirligi forward Bogdan Stancu will provide an attacking threat.
Meanwhile, Manchester City goalkeeper Costel Pantilimon was called up after Ciprian Tatarusanu injured his back in training.
First-choice keeper Tatarusanu remained with the squad, though, and could feature on Friday.
|9||K. Mitroglou||14' 66'|
|Coach: Fernando Santos|
for G. Maniatis 77'
for K. Mitroglou 80'
for K. Katsouranis 86'
|Chile, Argentina deserve final spots - Mena|
|Ramos keen on United switch - Calderon|
|B36 1 The New Saints 2: Wilde leaves it late to secure advantage|
|Sevilla agree deal for Rami|
|Celtic snap up United teenager Janko|
|Beauvue passes Lyon medical|
|Roma bring in Falque|
|Coates completes permanent Sunderland switch|
|Vallecano to make charity donations from shirt sales|
|Angella commits to Watford|
|Gundogan pens new Dortmund deal|
|Juve reject €80million Barca offer for Pogba, says Marotta|
|Ruiz seals permanent Villarreal move|
|Mourinho respects Cech´s decision to quit Chelsea|
|Claridge excited by potential Pearson successors|
|Miranda completes Inter switch|
|Blind takes over as Netherlands coach|
|Mourinho: Premier League tougher to win than ever|
|Hamburg make Holtby move permanent|
|Southampton terminate Osvaldo contract|
|BREAKING NEWS: Swansea swoop for Eder|
|Abbiati extends Milan stay|
|Cruyff: Barcelona have lost their values|
|Vydra seals Watford move|
|Ambitious Clyne targets trophy haul with Liverpool|
|Claridge: Off-field incidents cost Pearson his job|
|Clyne becomes Liverpool´s sixth close-season signing|
|Imbula leaves Marseille for Porto|
|FIFA chief Blatter challenges critics to prove corruption claims|
|Distin joins Bournemouth|
|Bayern seal Costa deal|
|Arsenal confirm Diaby departure|
|Blatter to miss Women´s World Cup final|
|Bogdan sets sights on being Liverpool number one|
|Danilo eager to get started at Real Madrid|
|Leicester´s Wood joins Leeds|
|Porto confirm Atletico move for Martinez|
|Lloyd: Repetition key to netting penalty|
|Sheffield Wednesday job a ´dream´ for Carvalhal|
|´We played a complete game´ - Messi|
|Diaz upbeat despite heavy Copa loss to Argentina|
|Martino lauds Messi for selfless performance|
|Viviani makes surprise Verona switch|
|Estonian team wins cup match 31-0|
|No meeting with Arsenal has occurred - Vidal´s agent|
|United States 2 Germany 0: Ellis´ team reach World Cup final|
|Argentina 6 Paraguay 1: Messi leads Martino´s men to Copa final|
|UEFA Europa League Review: FK Zeljeznicar and FC Dacia Chisinau open with wins|
|UEFA Champions League Review: FC Pyunik make winning start|
|Sweden U21 0 Portugal U21 0 (aet, 4-3 on penalties): Carlgren the hero as Swedes claim Euro glory|
|Frankfurt capture Castaignos|
|Bastia face relegation over debt|
|Bahlouli makes Monaco switch|
|Pearson sacked by Leicester|
|Rekik set for Marseille switch|
|Ranocchia and Carrizo sign new Inter deals|
|Crespo handed Modena role|
|Cech reveals work permit prevented past Arsenal move|
|Ivory Coast cut coaching shortlist down to five|
|McCarthy satisfied with Mings sale|
|Heaton commits to Burnley|
|Bowyer: Rhodes and Gestede will not come cheap|
|Burton and Day depart West Brom|
|Mendilibar makes Eibar return|
|Milan agree to terminate Muntari contract|
|Copa final a dream come true for Sampaoli|
|CSKA Sofia demoted due to financial crisis|
|Wolfsburg warn off De Bruyne suitors|
|Kone: I want to prove I can cut it at Everton|
|West Ham v Lusitans: Bilic set for first game in charge|
|Millennium Stadium to host 2017 UEFA Champions League final|
|Ronaldo a ´possibility´ for Portugal´s Olympics squad|
|Liverpool should get rid of Sterling - Grobbelaar|
|Miranda arrives for Inter medical|
|Arsenal can challenge the best - Cech|
|Real star Bale can be better than Ronaldo, says Keegan|
|UEFA approves changes to FFP rules|
|Honduras v Mexico: Moreno´s injury may force Mexican rethink pre-Gold Cup|
|Hiddink was the wrong man for Netherlands - De Boer|
|Vargas: I was scoring with every shot at training|
|Zambrano red rocked Peru - Gareca|
|Paraguay to change tack against Argentina|
|Sampaoli thrilled with substitutes´ influence, applauds Peru|
|Martino rues Copa America date with former side Paraguay|
|Former Birmingham City player Thwaites among Tunisia victims|
|Chile 2 Peru 1: Zambrano´s red card helps hosts into Copa final|
|Thiago Silva: ´I didn´t even know the ball had hit my hand´|
|Ronaldinho set to sign for Antalyaspor|