Portugal have been held to a goalless draw through the Republic of Ireland to leave Sunday's clash with Serbia as the decider for pinnacle spot in World Cup qualifying Group A.
Fernando Santos' men had scored 16 dreams in the course of their five-sport triumphing streak throughout all competitions however could best muster two photographs on track throughout a frustrating trip in Dublin.
Cristiano Ronaldo went the closest, even though even the best-ever main scorer in men's worldwide football could not spoil the impasse in Thursday's conflict.
The site visitors, who noticed Pepe brushed off late on for 2 bookable offences, and Serbia both sit down on 17 points with one game closing as the latter journey to Lisbon for a winner-takes-all decider.
Andre Silva compelled the first save of the competition from Gavin Bazunu earlier than Seamus Coleman's super final-ditch block denied Ronaldo because the traffic dominated the early court cases.
However, the Republic of Ireland replied properly and need to have taken the lead on the stroke of half-time however Chiedozie Ogbene should handiest head over from near range.
Stephen Kenny's men persevered industriously after the c programming language and almost punished Matheus Nunes' awareness lapse when Josh Cullen curled into Rui Patricio's hands.
Ronaldo, who later fired narrowly off course, then nodded huge following Silva's pass before the hosts noticed Enda Stevens whip over from Ogbene's inviting transport.
The traffic, who had Pepe disregarded for a 2nd bookable offence after catching Callum Robinson with his hand, managed to maintain on for a factor in spite of the hosts wondering they had observed a past due winner through Matt Doherty, Will Keane's foul on Patricio cutting brief the celebrations.