Mumbai, Aug. 30 -- Here's a brief rundown on the form and fortunes of the world's top 10 male players heading into the season-ending Grand Slam: World No.1, Jannik Sinner: Pulled out of the tournament with a persistent knee injury. World No.2, Alexander Zverev: Crashed out in his first match in Toronto, and the third in Cincinnati - the two tune-up events for New York. World No.3, Carlos Alcaraz: Has not played a competitive singles match since April due to a wrist injury. World No.4, Felix Auger-Aliassime: Withdrew from Toronto with a back injury, and won two matches in Cincinnati. World No.5, Novak Djokovic: Played just 20 matches on tour all year, and crashed out in his first Cincinnati contest. World No.6, Flavio Cobolli: Lost three and...