Powerful Features for Court Hunters

Everything you need to secure tennis courts in Tokyo's competitive booking environment.

Instant Push Notifications

Receive real-time alerts the moment a court matching your criteria becomes available. Our system monitors courts 24/7 and sends notifications within seconds.

  • Push notifications on iOS and Android
  • Customizable notification preferences
  • Smart notification throttling
  • Notification history tracking

Comprehensive Tokyo Coverage

We monitor tennis courts across all major Tokyo wards, giving you access to the widest selection of public courts in the city.

  • All 23 Tokyo wards covered
  • 100+ courts monitored
  • Regular court database updates
  • Detailed court information

Flexible Scheduling

Set up monitoring that fits your schedule. Choose specific dates, date ranges, or let it roll continuously.

  • Single date monitoring
  • Date range selection
  • Rolling window (7-30 days)
  • Custom time slots
  • Weekday filtering

Lightning-Fast Monitoring

Our infrastructure checks court availability every few seconds, ensuring you get notified as soon as possible.

  • Sub-minute check intervals
  • Priority speed for Plus users
  • Reliable uptime monitoring
  • Low-latency notifications

Smart Task Management

Create and manage multiple monitoring tasks with different criteria. Pause, resume, or modify tasks anytime.

  • Multiple concurrent tasks
  • Easy task creation wizard
  • Pause and resume capability
  • Task expiration handling

Cross-Platform Experience

Access TennisWatch from any device. Your monitoring tasks sync seamlessly across iOS, Android, and Web.

  • Native iOS app
  • Native Android app
  • Progressive Web App
  • Cloud sync across devices

Multi-Language Support

Use TennisWatch in your preferred language. Full support for English, Japanese, and Chinese.

  • English interface
  • 日本語対応
  • 中文支持
  • Auto-detect language

One-Tap Booking

When you find an available court, tap directly through to the official booking page to secure your spot.

  • Direct booking links
  • Quick court details view
  • Booking history tracking
  • Favorite courts list