Novak Djokovic hasn't won a grand slam tournament since the 2023 U.S. Open, but after beating Alexander Zverev in the quarterfinals of the French Open on Wednesday, he believes he's still a major threat in men's tennis.

Some things in life are timeless, be it an old novel, a grandfather clock or after yet another scintillating performance – Novak Djokovic. At 38 years old, Djokovic has no right to be as good as he is,