New Delhi, Sept. 25 -- A collection of top-10 tennis players sent a second letter to the four Grand Slam tournaments to push for a greater share of revenues - aiming to rise from the current 16% to 22% by 2030 - contributions to pension, health and maternity benefits that would go from zero to $12 million annually by that same year, and greater say via a new player council.

This letter, signed by stars such as Aryna Sabalenka, Iga Swiatek, Coco Gauff, Carlos Alcaraz, Jannik Sinner and Jack Draper - but not, unlike the original letter sent by players to the Slam events in March, Novak Djokovic - was dated July 30.

The second letter, which was seen this week by The Associated Press, set out specific benchmarks for ways in which the sport'...