"It was a pretty even game, they [Belgium] had better control of possession and better chances in the first half, we had good ones in the second", Southgate said to ITV.
"Really impressive. I've been involved in the last two World Cups every day and knowing the logistics and knowing how the organization works, I must admit this World Cup is far the best that I have been involved in", Martinez said.
"There's nothing more important than family to me, it always comes first and always will."
Striker Kane has been in prolific scoring form, netting 135 goals in all competitions for Tottenham over the last four seasons.
Adnan Januzaj's stunning goal secured a much-changed Belgium side a 1-0 win over England's second string at the World Cup.
England midfielder Fabian Delph has temporarily returned from the World Cup to attend the birth of his third child.
Instead, Gareth Southgate's side are now on course for a potential quarter-final on Saturday, July 7 (3pm) and semi-final on Wednesday, July 11 (7pm), avoiding any Canaries clashes.
William walks in Kate’s footsteps at site of her famous childhood snap
He was greeted by Israeli officials at Ben Gurion Airport in Tel Aviv. William then stood in the same spot where the photo was taken.
The side's most recent knockout tie ended in humiliation when England were beaten 2-1 by Iceland at Euro 2016.
"There have been many different reasons for not getting over the line".
"People will say that will only be the right decision if we win but it was the right decision because we could potentially be going into another match that could go into extra time and risking players we didn't need to risk". England is a young team, has a lot of harmony and you can tell they have a lot of faith in themselves...
"Those who played gave everything and never stopped and created openings to get something from the game", Southgate said.
England's returning stars must now perform in Moscow or their manager will face a mighty backlash. I went to two of their games in Brazil [four years ago] - they were incredible occasions.
Southgate also said he was ready to accept any criticism that would come with the defeat, but said he had achieved his "primary objective" by resting his players. We look forward to this challenge.