NEW YORK -- Novak Djokovic thinks he came up with a way to get Serena Williams back on the tennis tour: Dare her to do it. A ...

Novak Djokovic playfully challenged Serena Williams to return to the tennis tour after she made a surprise appearance at ...

Novak Djokovic has issued a playful challenge to Serena Williams to return to the tennis tour. After Williams helped induct ...