John Isner's US Open and tennis career ends in 5th-set tiebreak loss

NEW YORK — John Isner’s career fittingly ended with a final-set tiebreaker.Isner put a volley into the net to end the match and what he had announced would be his final singles tournament, falling in the U.S. Open second round to fellow American

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John Isner heads to retirement after US Open last-set tiebreaker