U.S. Open tennis: Medvedev, Serena advance; Sakkari a Day 3 upset
Men's No. 1 Daniil Medvedev and 23-time Grand Slam champion Serena Williams were among the players to advance to the third round on Day 3 of the 2022 U.S. Open. No. 3 Maria Sakkari was upset in her second-round match.