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Pegula and the Mental Equation: 92% First-Serve Points Can't Hide the Grand Slam DemonNew York, opening night of US Open 2026. Jessica Pegula steps onto Arthur Ash...2026-09-03 11:38us openJessica Pegulawtagrand slamtennisphân tích chiến thuậttâm lý thi đấuKevin Van Den KerkhofPeng HaochenNguyen Van SonAndre LeipoldBruno GonzalezTom Lacoux Pegula and the Mental Equation: 92% First-Serve Points Can't Hide the Grand Slam Demon