By Jon Wertheim Breaking down the men’s and women’s draws for the third major of the year. It is the summer of the Platinum Jubilee, 70 years of Elizabeth on the throne, the longest reign for any British monarch. It would be fitting if she made her customary appearance at Wimbledon because the Kingdom of Tennis, too, knows from sustained rule. Since 2003, only four men—Roger Federer, Rafael Nadal, Novak Djokovic and Andy Murray—have won the title. The rest of the field has, collectively, barely won half their matches at the All-England Club. Still, all empires rise and fall and even the most c…