Tsitsipas credits coaching change for renewed belief after Fils win

NEW YORK, Aug 31 : Stefanos Tsitsipas said ending a coaching relationship with his father Apostolos had brought much-needed calm to his tennis life and rebuilt his confidence after the Greek beat 10th seed Arthur Fils in the first round of the U.S. Open on Monday.Tsitsipas reached two Grand Slam finals and a career-high ranking of world number three under the guidance of his father, whom he parted ways with in 2024 after a 23-year spell together before renewing the arrangement last year.But after injury problems and a string of disappointing results, Tsitsipas split with his father again before Wimbledon this year and brought in Thomas Perrin to his team as he sought to revive his fortunes."I personally felt like I needed it. I needed a different voice. I needed someone who provides a litt