Kohli, who has competed in two World Cups before, said they do not have much breathing space because they have four tough games upfront and in a way it should help them. For the first time since the 1992 edition, all teams will play each other once to decide the semifinalists. After opening their campaign South Africa on June 5, India will take on Australia (June 9), New Zealand (June 13) and Pakistan (June 16). “Personally, it will probably be the most challenging World Cup I have been part of because of the format and also the strength of all the teams. If you look at Afghanistan from 2015 to now, they are a completely different side,” said Kohli at the pre-departure press conference here. “Any team can upset anyone. That is one thing we have in mind. Focus will be on to play the best cricket that we can. You have to play to the best of your potential in every game because it is not a group stage situation. Playing everyone once is great for all the teams in my view. It is going to be a different challenge and every team will have to adapt quickly to,”…