Portugal on Tuesday achieved three points in Lithuania (4-1), with four goals from Cristiano Ronaldo, which allow the current European champion to maintain his options to qualify for the Euro-2020, with four dates left for the group's conclusion B.
Portugal, which came to achieve its first victory against Serbia (4-2), in the absence of less than 30 minutes to go was unable to overcome its modest rival (130th in the FIFA ranking).
Cristiano Ronaldo ahead of the criminals (7), but Vytautas Andriuskevicius equalized for the locals in the 28th minute.
The team of Fernando Santos allied with luck in the 65th minute after a shot without apparent difficulty of the Juventus striker and former Real Madrid who ended up on the net after playing on the side of the Lithuanian goal.
Two more goals from Cristiano Ronaldo (65 and 76), and another from William Carvalho (90 + 2) sealed Portugal's victory, which is second with eight points in four games.
Ukraine, which rests this week, leads the key with 13 points, while Serbia ranks third with 7 points after beating Luxembourg 3-1 on Tuesday.