What the tags mean

Looking for (venue type)

Courts
A real tennis court you can play on (the default).
Ball machine
A ball-/serve-machine practice place, or a court that offers one — solo practice.
Practice wall
A wall to hit against (練習壁/練習牆) — solo practice, not a court.
Lessons only
A court that only offers lessons/coaching — no casual court booking.

Surface

Hard
Acrylic/PU/cushioned hard courts — the default if unspecified.
Clay
Red clay / 礦石粉 courts.
Other
Grass, carpet, artificial-grass/clay or other surfaces.

Environment

Indoor
Has covered / indoor courts (rain-proof).
Outdoor
Open-air courts (the default).

Access

Public
Open to anyone (walk-in or pay-per-hour). Shown by default.
Members only
Private club — only members may play. Hidden until you show members & guest-only venues.
Guests / residents only
Hotel / university / property only — not open to the general public. Hidden by default.

Booking

Walk-in
You can just show up and play — no reservation needed.
Booking required
You must book ahead — no walk-in.

Cost

Free
Free to play (often first-come-first-serve). Some are also reservable for a fee.

Amenities

Night lights
Has lighting for night play (until a stated time if known).
Parking
Parking available.
Rentals
EQUIPMENT rental — racquet / shoes / balls. Not court booking.
Restrooms
Toilets on site.

Coaching

Coaching available
Offers lessons / coaching (教練課).

Trust

Competition venue
Has hosted competitions (domestic or international) — evidence-verified.
Verified
Existence + location confirmed against sources.
Unverified
We couldn't confirm this venue — check before you go.