Although the returning Jannik Sinner and defending champion Carlos Alcaraz are favorites to lift the French Open title, German tennis star Alexander Zverev believes Novak Djokovic is still on the same level as the best players on the planet.

The French Open quarter-finals continue on Wednesday with top seed Jannik Sinner in action, Novak Djokovic facing his first true test when he takes on Alexander Zverev and an all-American clash between Coco Gauff and Madison Keys.

There was a bit of buzz after first-match losses at tournaments in Monte Carlo and then Madrid about whether Djokovic should not even be thought of as a contender this time around