Australian Open 2020: Nick Kyrgios 252 km/h serve, fastest tennis serves ever, Kyrgios serve speed, speed gun was wrong
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US Open Tennis on Twitter: "✓ 17 aces ✓ Fastest serve of the tournament ✓ Won 86% of his first serve points To say Matteo Berrettini's serve was working would be an
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Serve's up: Gauff hits second-fastest serve in US Open history - Official Site of the 2022 US Open Tennis Championships - A USTA Event
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