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Michael Chang autographed Tennis Ball (with display cube) black practice mark on back - Autographed Tennis Balls at Amazon's Sports Collectibles Store
![Tennis TV on Twitter: "That ball mark hasn't been forgotten...😬 #IBI19 https://t.co/26eYuA8c7W" / Twitter Tennis TV on Twitter: "That ball mark hasn't been forgotten...😬 #IBI19 https://t.co/26eYuA8c7W" / Twitter](https://pbs.twimg.com/media/D6XUDZzXsAIpKrm.jpg)
Tennis TV on Twitter: "That ball mark hasn't been forgotten...😬 #IBI19 https://t.co/26eYuA8c7W" / Twitter
In tennis challenges, why is the shadow of the ball shown as oval-shaped, rather than circular? - Quora
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Tennis Ball And T Shape Mark With Chalk Lines Still Life Overhead View High-Res Stock Photo - Getty Images
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Are tennis players at the French Open allowed to scrape the mark where the ball landed? | French Open | The Guardian
![French Open 2013: Sergiy Stakhovsky takes a photo of mark left by ball after umpire says his shot was out | Daily Mail Online French Open 2013: Sergiy Stakhovsky takes a photo of mark left by ball after umpire says his shot was out | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2013/05/28/article-2332122-1A09C21A000005DC-897_634x739.jpg)