<p>Paris: World number one Novak Djokovic has pulled out of the French Open ahead of his quarter-final match due to a knee injury, tournament organisers said on Tuesday.</p><p>Top seed and defending champion Djokovic was scheduled to play Casper Ruud in the quarter-finals on Wednesday.</p>
<p>Paris: World number one Novak Djokovic has pulled out of the French Open ahead of his quarter-final match due to a knee injury, tournament organisers said on Tuesday.</p><p>Top seed and defending champion Djokovic was scheduled to play Casper Ruud in the quarter-finals on Wednesday.</p>