A group of the world’s top 20 male and female players, including Novak Djokovic, Jannik Sinner, Aryna Sabalenka and Coco Gauff, have released a joint statement expressing their disappointment at the level of prize money on offer at the French Open later this month. The top players have been in dispute with all four grand slams for more than a year, as they feel they are given an insufficient share of each tournament’s increasing revenues, while they are also calling for enhanced welfare and pension provisions and a greater say in determining the schedule. The French Open last month announced a 9.5% increase in the prize money at Roland Garros to €61.7m (£52.6m), with the men’s and women’s winners to receive €2.8m, but the players remain unhappy. The increase is significantly less than the 20% rise at the US Open last year, while the players claim that, as a percentage of revenues, the prize fund is being reduced.…