DuPont Country Club - What year were yellow tennis 🎾 balls first used at Wimbledon {no googling}? Historically tennis balls were either black or white in color, depending on the background color
Racquet Club of Columbus - Fun Tennis Facts... Yellow tennis balls were used at Wimbledon for the first time in 1986. | Facebook
Tennis ball - Wikipedia
When Did Tennis Balls Change From White To Yellow? - Metro League
Why tennis balls are yellow -- or maybe green | CNN
How different tennis ball types change training, ATP, WTA matches - Sports Illustrated
The Club at Harper's Point - Did you know? Yellow tennis balls were first introduced in 1972 as they were more visible on color TV's. Before that they were white. Wimbledon didn't
Why tennis balls are yellow -- or maybe green | CNN
30 years ago this summer, Wimbledon turned yellow - ESPN Front Row
Photo of a Large souvenir Slazenger Wimbledon day glow yellow tennis ball against a white background close up Stock Photo - Alamy