The Women’s Tennis Association has ranked Serena Williams World No. 1 in singles tennis
Serena Williams Responds To John McEnroe's Claim That She'd Rank 700th On Men's Tour
Serena Williams Fires Back at John McEnroe’s Ranking Comments
John McEnroe says Serena Williams would rank 'like if she played against men
John McEnroe thinks Serena Williams couldn't physically compete with most men's tennis players.
Yes, #1 is Serena's Number! WTA Rankings for Week of 20 May 2013......Serena Williams Tennis World #1 for 137 Non-consecutive Weeks! #TeamSERENA
John McEnroe proposes a men v women contest to prove his claim that Serena Williams would be ranked "700 in the world" on the men's circuit.
Tennis legend John McEnroe thinks Serena Williams would rank 700th in the world if she was a man