New Delhi, May 8 -- The top tennis players are already upset they're not receiving a bigger share of tournament revenues at the French Open. Now they're hoping Wimbledon and the U.S. Open respond to their demands, according to Jannik Sinner.

Fellow No. 1 Aryna Sabalenka said this week the players should consider a boycott.

"It's more about respect. Because I think we give much more than what we are getting back," Sinner said on Thursday at the Italian Open. "It's not only for the top players; it's for all of us players."

Sinner wouldn't commit to a boycott.

"It's tough to say," he said. "I cannot predict the future in a way. But in the same time I also believe that somewhere we need to start."

The players have targeted the upcoming F...