US Open 2021: Ball boy channels Kramer, why are ball persons adults? Tennis news | news.com.au — Australia's leading news site
![US Open Tennis on X: "SAME SAME BUT DIFFERENT: Did you know that men's # usopen tennis balls (right) have extra felt than women's (left)? http://t.co/l17gUmVA" / X US Open Tennis on X: "SAME SAME BUT DIFFERENT: Did you know that men's # usopen tennis balls (right) have extra felt than women's (left)? http://t.co/l17gUmVA" / X](https://pbs.twimg.com/media/A2X9nKGCIAAqaLo.jpg)
US Open Tennis on X: "SAME SAME BUT DIFFERENT: Did you know that men's # usopen tennis balls (right) have extra felt than women's (left)? http://t.co/l17gUmVA" / X
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