https://ballcheck.app/guides/How to tell when a tennis, padel or pickleball ball is dead, whether pressurizers work, and what the official bounce tests measure.enhttps://ballcheck.app/guides/is-my-tennis-ball-dead/https://ballcheck.app/guides/is-my-tennis-ball-dead/Sun, 01 Nov 2026 00:00:00 GMTFour ways to check if a tennis ball is dead, from the official 100 inch drop test to a squeeze test, and what the numbers mean.https://ballcheck.app/guides/padel-ball-dead/https://ballcheck.app/guides/padel-ball-dead/Sun, 01 Nov 2026 00:00:00 GMTHow the official padel ball test works, the 135 to 145 cm rebound rule, and simple ways to check your padel balls at the court.https://ballcheck.app/guides/pickleball-worn-out/https://ballcheck.app/guides/pickleball-worn-out/Sun, 01 Nov 2026 00:00:00 GMTThe official pickleball bounce test (30 to 34 in from 78 in), the signs of a worn ball, and how many games a pickleball lasts.https://ballcheck.app/guides/do-ball-pressurizers-work/https://ballcheck.app/guides/do-ball-pressurizers-work/Sun, 01 Nov 2026 00:00:00 GMTHow tennis and padel ball pressurizers work, what the evidence says, and how to check whether yours is keeping your balls alive.https://ballcheck.app/guides/tennis-ball-types-rebound-test/https://ballcheck.app/guides/tennis-ball-types-rebound-test/Sun, 01 Nov 2026 00:00:00 GMTWhat Type 1, Type 2, Type 3, high altitude and pressureless tennis balls are, which court each is for, and how the ITF tests them.https://ballcheck.app/guides/padel-vs-tennis-balls/https://ballcheck.app/guides/padel-vs-tennis-balls/Sun, 01 Nov 2026 00:00:00 GMTPadel and tennis balls look the same but are not. Size, weight, bounce and rules side by side, from the FIP and ITF specs.https://ballcheck.app/guides/how-ballcheck-measures-bounce/https://ballcheck.app/guides/how-ballcheck-measures-bounce/Sun, 01 Nov 2026 00:00:00 GMTThe physics behind BallCheck: timing each bounce by sound to work out the coefficient of restitution (COR), and how it is compared with a new ball.