Yep, I should have realized that. This is where experience comes in. Djokovic is very into natural therapies and defintely balances his system with proper electrolytes (not trash like Gatorade, etc) - especially the most critical mineral of all: Magnesium Glycinate, which typically beats back cramps very effectively.
A lot pros say it’s a learning process, to play in these big games. Alcaraz only turned 20 on May 5th.