Double Blue

The only exclusively squash-focused facility in Tokyo, Double Blue opened in summer 2017 just off the main shopping street in Hiroo. Run by Med Support Systems, a company that specialises in preventive medicine and also owns the super-exclusive Esquisse restaurant in Ginza, it stands out with deep-blue walls and twin blue courts. They're currently offering free racket and eye guard rentals for anyone who signs up to play – a 40-minute session costs ¥800 per court, no other fees are required and online bookings are taken. Just note that black balls and shoes with black soles aren't allowed (white balls are sold at the counter). Since playing squash is an easy way to burn a lot of calories in a short time, Double Blue might be a good place to check out if you're aiming to get back in shape this summer.