Since February 2004, only four players have conquered the ATP throne and written their names in tennis history as world no. 1 players. Roger Federer, Rafael Nadal, Novak Djokovic and Andy Murray have successfully kept the younger rivals behind them, and the Serb has been a player to beat in the last two years.Novak is the record-holder with 361 weeks as world no. 1, although his streak could end this week. World no. 2 Daniil Medvedev has a chance to pass the Serb and claim the ATP throne for the first time in his career, with two great rivals seeking titles and ATP points in different parts of the world.If he wins the Acapulco crown, Daniil will become world no. 1 regardless of Novak’s result in Dubai. The …