Cristiano Ronaldo, Portugal’s captain, has pledged to “always be striving for more and more and more” after scoring a hat-trick in Portugal’s 5-0 win over Luxembourg in a World Cup qualifier on Tuesday.

Ronaldo scored his 58th career hat-trick, as well as his 10th for Portugal, as Fernando Santos’ side beat Luxembourg at Estádio Algarve.

After Bruno Fernandes and Joao Palhinha scored for Portugal, the five-time Ballon d’Or winner netted two penalties in five minutes in the first half before completing the triple in the second half.

The victory means Portugal are now one point behind Group A leaders Serbia, though they have a game in hand.

“Another victory, another step towards our goal, another historic night in defence of our colours!

“Everything becomes easier when we play at home and in front of an audience that cares for us from the first to the last minute.

“I had promised that I would always be looking for more and more and more!

“It’s in my DNA and in our DNA, we’re never content, we never lower our arms and we always go,” Ronaldo wrote on Instagram after the game.

Meanwhile, Ronaldo now has 115 international goals for Portugal.