Jessica Pegula has had numerous encounters with Coco Gauff on the tennis court this summer, and the outcomes have largely favored Gauff. This year, Gauff defeated Pegula in significant matches, including a remarkable win at the Cincinnati Open final. Gauff’s recent form has seen her dominating their encounters, holding a 5-5 overall record against Pegula. Despite this, Gauff has won three out of four matches since last year’s U.S. Open.
A year ago, Gauff made headlines by overhauling her serve and forehand techniques. Publicly practicing during events such as the Arthur Ashe Stadium matches, she faced challenges under intense scrutiny. However, as she prepares for a match against Turkey’s Zeynep Sönmez, Gauff’s growth is evident, a sentiment echoed by Pegula, who notes Gauff’s improved movement and serving ability.
Gauff’s recent performances have been impressive. In the 10 matches she played after Wimbledon on hard courts in the U.S. and Canada, only two went to a third set. Her ability to maintain strong form over long matches serves her well, with previous tournaments such as Wimbledon requiring more three-set matches.
With two Grand Slam titles and currently ranked world No. 4, Gauff is a prominent tennis figure. Her popularity was highlighted by the Cincinnati Open final, the most-viewed women’s match on the Tennis Channel. Her consistent improvement in key areas of her game, especially serving, is notable as she enters the U.S. Open, a tournament of significant personal importance.
During the U.S. Open, Gauff juggles sponsor duties and media appearances. Despite potential challenges, including service yips and concerns with her forehand, Gauff expresses confidence. Her serving statistics show marked improvement, averaging fewer double faults and gaining more points on her serves since last year.
Reflecting on past challenges, Gauff’s decision to work with coach Matt Daly focused on minor adjustments rather than a complete serve rebuild. Although she enjoyed success in previous tournaments, issues with forehand footwork and serve technique persisted. In 2025, she led the tour in double faults, often exceeding seven per match. Yet, wins like her victory at the Canadian Open illustrate her resilience.
Hiring biomechanics expert Gavin MacMillan after last year’s U.S. Open indicated Gauff’s commitment to refining her game. This collaboration led to visible progress at recent events, though lingering doubts about her second serve remained. Gauff’s strategic approach aims to highlight her serving strength, building confidence and empowering her to play an aggressive forehand.
This season, Gauff’s performances improve gradually, despite leading the tour in double faults. Her average has dipped to under six per match, marking progress. On her service returns, she excels, winning more points than many of her peers, second only to Iga Świątek.
Gauff’s return skills and footwork make her a formidable opponent, often turning defensive plays into offensive opportunities. Pegula recognizes Gauff’s superior defensive abilities and speed, making her a challenging adversary at tournaments like the U.S. Open.

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