Toronto, July 2 -- Portugal icon Cristiano Ronaldo will be aiming to remove one massive stain from his resume as his side takes on Croatia in the round of 32 of the ongoing FIFA World Cup, with the superstar yet to score a goal in a FIFA World Cup knockout match.

The Portugal-Croatia clash will mark a battle between Cristiano and Luka Modric, both of whom have worn the colours of Real Madrid for years together.

However, Cristiano, despite having scored in six successive FIFA World Cups from his debut tournament in 2006 till now, is yet to score in a knockout match for Portugal in the tournament.

In 2006, Portugal registered a fourth-place finish, with a round of 16 finish each in the 2010 and 2018 editions. In 2014, Portugal faced a gr...