The U.S. Open is in full swing, and the remaining top seeds have been advancing regularly. However, as the tournament reaches its third and fourth rounds, the challenges get much harder.
This could lead to some of the top players going home earlier than expected. It essentially turns the third and fourth rounds into the upset rounds where underdogs can make a name for themselves.
In a quick rundown of each top seed, there are challenges that await each one. However, at this stage, it's not looking like the top players will be leaving the tournament.