Aug. 25 (UPI) -- Benjamin Bonzi weathered 21 aces at the U.S. Open , frequently frustrating Daniil Medvedev, to earn his second Grand Slam upset of the Russian this season. The Frenchman converted 6 of 16 break points in the 6-3, 7-5, 6-7(5), 0-6, 6-4 first-round victory Sunday in Flushing, N.Y. He also beat Medvedev in the first round of Wimbledon 2025. Medvedev lost control of his emotions several times during the nearly 4-hour match. He got into a verbal exchange with the chair umpire in the