World No. 1 Novak Djokovic is one of the most accomplished players in tennis history and on Sunday he shared some strong advice to those who dream of becoming tennis players one day. In his press conference following a Serbia Open final loss to Andrey Rublev, Djokovic was asked what advice he would give to his younger self. “There are some universal values, in general, general things that I think are useful for all athletes, especially tennis players,” Djokovic said. “It is a commitment, it is important for a tennis player to think and evaluate with themselves and decide how much they …