Tennis-Djokovic seeks record 25th Grand Slam as French Open begins
PARIS, May 23 (Reuters) - The first round of the French Open starts on Sunday, with Novak Djokovic beginning his hunt for a fourth crown and a record-extending 25th Grand Slam title when he takes on home hope Giovanni Mpetshi Perricard, while world number three Alexander Zverev faces Benjamin Bonzi.