BENGALURU (Reuters) - Changes to the landscape of professional tennis look certain over the next couple of years and, as blueprints are laid out and new tournaments proposed, the players are determined that their voices be heard.

A proposal for a radical revamp of the elite game was put on the table by the organisers of the Grand Slams in Indian Wells this month while Saudi Arabia, having got its foot in the door through the men's tour, is looking to expand its investment.