Zverev's new ranking began with a straight-sets defeat in Paris, while Djokovic's loss to qualifier Rinky Hijikata ended his hopes of qualifying for the ATP Finals.
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The 22-time Grand Slam champion moves into club governance at Real Madrid, extending his post-playing involvement in Spanish sport.
The season-ending WTA Finals field is confirmed, with the format, schedule and prize money drawing broad preview coverage.
The British player reported abuse on social media following her return to the tour, adding to recent cases of online threats against players.
The result marks a breakthrough tour-level victory for the British teen and drew profiles of her background.
The three-time Grand Slam champion's retirement drew tributes from peers on the women's tour.
Eala advanced comfortably despite an opponent change, keeping her Asian swing run going.
The comments come as Djokovic's ATP Finals qualification hopes ended in Paris.
The former Wimbledon finalist appears to be working toward a return to competition after time away from the tour.
The endorsement adds to the debate over Eala's standing among the tour's top young players.
The reported remarks add a subplot to the WTA Finals, where Pegula is grouped with Coco Gauff.
The seven-time champion survived a late second-set scare before his eventual exit later in the week.
The coaching critique focuses on the technical change seen as key to her chances at the majors.
Musetti's comments come after he beat Zverev in Paris, days after the stroke's declining use was debated on tour.
The assessment adds to expectations around the French player's ceiling on tour.
The world No. 1's pick reopens a familiar debate about the sport's historical rankings.
The coaching partnership is framed as a test of whether Shelton can convert his game into major titles.
The Italian's remarks follow his straight-sets win over the new world No. 1.
The comparison adds to the stylistic debate around the top-ranked Spaniard's game.
The campaign links the anniversary to youth-focused classroom programming around the sport.
The recollection resurfaces in coverage of the couple's long-running place in tennis history.