The Era of new Tennis stars earlier than expected?

Is it the time for the whole world to say goodbye to the tennis champions and top spotters from the previous several years? This question has been the main one in the tennis world after the quarterfinalists were known for the Qatar Open in Doha, and there were no signs of Novak Djokovic or Jackpot Bet Online Rafael Nadal in them. Together with Maria Sharapova, Serena Williams and Jackpot Bet Online Roger Federer they are the 5 icons of tennis nowadays.

They have had some bad moments and some worst, Jackpot Bet Online many ups and few downs combined with injuries and bad games, but these bad moments never lasted longer than few games for the champions, and as the New Year and new season started they remain untouched in the first positions.