It's not clear when the tennis ball shortage will ease.
Aptos shows heart in sweep of titles at SCCAL Girls Tennis Championships – Santa Cruz Sentinel
Ryan Trachuk repurposes tennis balls that take hundreds of years to decompose – Daily News
Tennis ball shortage angers players with US Open 2021 fever
Tennis players say too many ball changes cause injuries – NBC 5 Dallas-Fort Worth
Can too many tennis ball changes cause injuries? Players think so. The tours are checking
Marin tennis camp aims to close youth 'activity gap
Wimbledon 2022 is almost here, but UK tennis clubs have been hit by a major ball shortage
What happens to the one billion tennis balls used each year?
There Is A Tennis Ball Shortage Too Now