At 66 years old, Tony Downer volunteers at tennis tournaments nationwide, sprinting after tennis balls and keeping matches ...

Downer is one of 80 ball people selected for the tournament. The program is typically open to kids as young as 12. Ball Kid ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access information on a device and to provide personalised ads and content, ad and ...

Carlos Alcaraz believes the constant change of balls is directly linked to increasing number of injuries in tennis and the ...