Singles tennis in 3D in the browser, played to the ITF Rules of Tennis. ITF-dimension court and net, the full 15/30/40 scoring machine with deuce, advantage and the seven-point tie-break with its 1-2-2 service rotation, and a ball whose coefficient of restitution is derived from ITF test method ITF TB 04/01 rather than chosen. Drag and Magnus lift follow published measurements. Hand-written WebGL2, no libraries, no network calls. An independent reimplementation of the sport; not affiliated with the International Tennis Federation.

Every public app is built from a security-scanned skill and must pass a clean scan — skill and frontend — before it can be listed. Have a skill of your own? Turn it into an app — or read the step-by-step walkthrough.