India, Sept. 25 -- Jannik Sinner reacted on Wednesday after 20-time Grand Slam winner Roger Federer accused tournament organisers of changing court speeds to ensure the final between Carlos Alcaraz and the Italian. The two stars of the new generation of men's tennis have shared all the last eight Slam titles and have faced each other in the previous three major finals.

Federer's comment came during an appearance on Served with Andy Roddick, where he discussed modern tennis courts. The 44-year-old explained that on a slow court, a weaker player would have to play extraordinary tennis to beat a better-skilled opponent, compared to a faster court, where lower-ranked players could have the chance of scripting an upset.

"I understand the saf...