We have seen many players questioned by @USOpen already and now one of the greatest tennis players ever joins Isner, De Minaur or Osaka "On the clock".
Swiss has also joined this mini-series of videos, where we learn a lot of interesting facts about ATP and WTA players.
Federer won his second-round match against Dzumhur today and is still one of the biggest favorites to win the
US Open. But he also answered some interesting questions.
For example, we learned that his favorite subject at school was logically sports. Rog also admits he can't cook. You can find out more in the video below.
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