Old school Federer rests as new-wave tennis tries its hand

June 16, 2020 5:00 AMIn Stephen Tignor's fine book, High Strung, there is a brilliantly reported description of Bjorn Borg at the US Open in 1981. Defeated in a fourth final in New York, he shakes hands with John McEnroe and walks off court. He does not wait for the speeches, answers no questions, showers and drives away.