By . Graeme Yorke . Cristiano Ronaldo posted a picture of himself smiling alongside his son Cristiano Jr. on his official Twitter account as he continued his recovery from a thigh injury ahead of the World Cup. Ronaldo missed Portugal's World Cup warm-up game against Greece and was badly missed, with the game finishing goalless. Real Madrid team-mates Fabio Coentrao and Pepe also missed the game, while former Liverpool and Chelsea midfielder Raul Meireles was another absent regular. Strike a pose: Cristiano Ronaldo posted a picture on Twitter alongside son Cristiano Jr. on Children's Day . Absent: Ronaldo did not feature in Portugal's goalless draw with Greece due to a thigh injury . Return date: The Portugal captain will hope to be back in top form for the game against Germany on June 16 . The post came alongside the message: 'Happy to spend Children's Day with my son.' Portugal captain Ronaldo remains a doubt for their opening fixture in Brazil against Germany on Monday, June 16. After the game against Greece, Portugal coach Paulo Bento warned that his side have to be able to cope with the loss of star names. 'In the first half we clearly deserved to be ahead and, apart from the last few minutes when we were worn out, we always had control of the game. 'We have to be prepared and we have to be able to play without players who are our first choices.' Tricky: Portugal coach Paulo Bento has a tough group to navigate, featuring Germany, Ghana and USA . Watching on: Ronaldo's Real Madrid team-mates Fabio Coentrao, left, and Pepe, right, also sat the game out .
Cristiano Ronaldo posts picture on Twitter to celebrate Children's Day .
Portugal captain missing for World Cup warm-up game against Greece .
Coach Paulo Bento urges team to learn to cope without key men .
Portugal start World Cup campaign against Germany on June 16 .
By . Graeme Yorke . Cristiano Ronaldo posted a picture of himself smiling alongside his son Cristiano Jr. on his official Twitter account as he continued his recovery from a thigh injury ahead of the World Cup. Ronaldo missed Portugal's World Cup warm-up game against Greece and was badly missed, with the game finishing goalless. Real Madrid team-mates Fabio Coentrao and Pepe also missed the game, while former Liverpool and Chelsea midfielder Raul Meireles was another absent regular. Strike a pose: Cristiano Ronaldo posted a picture on Twitter alongside son Cristiano Jr. on Children's Day . Absent: Ronaldo did not feature in Portugal's goalless draw with Greece due to a thigh injury . Return date: The Portugal captain will hope to be back in top form for the game against Germany on June 16 . The post came alongside the message: 'Happy to spend Children's Day with my son.' Portugal captain Ronaldo remains a doubt for their opening fixture in Brazil against Germany on Monday, June 16. After the game against Greece, Portugal coach Paulo Bento warned that his side have to be able to cope with the loss of star names. 'In the first half we clearly deserved to be ahead and, apart from the last few minutes when we were worn out, we always had control of the game. 'We have to be prepared and we have to be able to play without players who are our first choices.' Tricky: Portugal coach Paulo Bento has a tough group to navigate, featuring Germany, Ghana and USA . Watching on: Ronaldo's Real Madrid team-mates Fabio Coentrao, left, and Pepe, right, also sat the game out .
By . Graeme Yorke . Cristiano Ronaldo posted a World Cup warm-up game against Greece and was posted a picture on Twitter alongside son for the game against Germany on June 16 . The Children's Day with my son.' Portugal captain