Rafael Nadal’s number of victories is extended: they are eighteen, compared to zero defeats in this first season. The last came in the round of 16 in Indian Wells, where the Spaniard defeated the American Reilly Opelka in two sets with two tiebreaks.A difficult match for Nadal: not only the opponent’s quality of play, but also the physical problems he had during the match. In the post-match press conference, Rafa Nadal complained of a foot problem: “For a moment I was fine.Then in the second set, a little worse”, said the winner of the last Australian Open, who then went on to explain the difficulties of this physical problem. “I was able to keep going, to keep running until the end.I’m not going to lie or hide things. I am very happy to play …