Penalized for Misconduct, a Top Official Returns to the U.S. Open

Earlier this year, Soeren Friemel resigned as the head of officiating with the International Tennis Federation.Credit... Walter Luger/Sipa, via Associated PressThe people who officiate tennis matches are supposed to exist in a quiet corner of the sports world, far from the spotlight. In most cases, if average fans know the name of a tournament referee, supervisor, chair umpire or line judge, something has gone terribly wrong, creating rare noise within an insular club whose members value rules and decorum over all else.

And so it has been for Soeren Friemel, a longtime top official for the U.S. Open, who stepped away last year amid an investigation into accusations of harassment and…