Novak Djokovic

100 = Average of Top 50 Players
Serve/ Return Ratio is Serve Rating Divided By Return Rating (Is The Player A Better Server or Returner? 1.00 = Neutral)

1st Serve-2nd Serve Difference is 1st Serve Rating Divided By 2nd Serve Rating ( How Much Better is 1st Serve than 2nd Serve – Compared to Other Players? 1.00 = Neutral)