New Delhi, Jan. 17 -- The most difficult thing in modern tennis is to be an allrounder - a person who can produce the results and the performances regardless of the surface or the opponent. Every player starts off with a natural set of likes and dislikes. Some prefer the backhand to the forehand, others like clay more than the hardcourts, a few lean towards touch play but the majority towards power. But to enter the league of legends, one has to show that they can adapt, persist and eventually win the Grand Slams - on hard courts, on clay and on grass. They call it a career Grand Slam and it is a feat that has only ever been achieved by only eight men and 10 women. Now, Carlos Alcaraz and Iga Swiatek are attempting to join the most exclusiv...