Carlos Alcaraz added his voice to the criticism and pulled out of the Shanghai Masters with "physical issues" as the packed schedule for elite tennis players came under renewed scrutiny this week.
With another season approaching its climax, six-time Grand Slam champion Alcaraz and fellow Grand Slam winners Iga Swiatek and Coco Gauff all took aim at the amount of tennis they play.
The busy calendar in women's and men's tennis has been a constant talking point in recent years.
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