US Open 2020: Daniil Medvedev into semifinals; yet to drop a set in the tournament

Not only had 2019 runner-up Daniil Medvedev not dropped a set in this U.S. Open entering his all-Russian quarterfinal against long-time pal Andrey Rublev, but Medvedev hadn’t allowed more than four games in any set. Related Stories Defending champion Daniil Medvedev moves into quarterfinals at Western & Southern Open At the changeover, Rublev told Keothavong, “You understand, beecause of your mistake, now they give me a fine?” TOWEL TIMING Count Serena Williams among the players who have complained about the amount of time chair umpires are giving players between points. I feel like sometimes I’m really, like, sprinting to get my towel and that’s not really taken into consideration,” Williams said Wednesday after her three-set victory in the quarterfinals. “And then, sometimes," Williams continued, "I literally am looking at the towel, and I am like, ‘All right, I’m just not going to get it, because I simply don’t have time and I’m drenched,’ especially on a humid day like today.” GREAT EXPECTATIONS Tsvetana Pironkova's first tournament in more than three years ended in a Grand Slam quarterfinal against Serena Williams.