Novak Djokovic is having a lot of difficulties at the start of the season. The Serbian phenomenon has played only one tournament so far, not having been able to defend the title at the Australian Open due to the well-known events.His run in Dubai was already interrupted in the quarters by the hand of the revived Jiri Vesely, able to exploit the negative day of the 20 times Grand Slam champion. Due to the vaccination issue, the 34-year-old from Belgrade will not be able to participate in the Masters 1000 in Indian Wells and Miami.As if that were not enough, Daniil Medvedev overtook him at the top of the ATP ranking, becoming the 27th number 1 in the history of men’s tennis. On the other hand, good news has come …