Today, hugging has become the new handshake, providing a level of intimacy that may make postmatch meetings at the net as unrecognizable to past players as innovations like the Hawk-Eye ball tracking system and serving time limits.
He has never let up on a tennis court, whether it’s a final on Arthur Ashe Stadium or a session on Practice Court 5, the last in a row of dedicated warm-up courts at the Billie Jean King National Tennis Center.
Kyrgios is not the first player who struggled to quell emotions. McEnroe had many infamous outbursts. But he never quit competing, and that is what he and so many others find so perplexing about Kyrgios.
Djokovic, Nadal, and Federer have combined to take 11 Slam titles in a row and 54 of the past 65. One thing to keep an eye on: Federer and Nadal have played each other 40 times but never at the U.S. Open. It could only happen if both reach the Sept. 8 final.