Mon Jan 05 05:10:00 UTC 2026: Summary:

The United Cup opener saw a surprising upset as Argentina’s Sebastián Báez defeated world No. 6 Taylor Fritz, despite Fritz initially leading comfortably. Báez’s resilience and Fritz’s vulnerability on his second serve proved decisive. Fritz revealed he’s been struggling with a knee injury and his off-season was focused on rehab rather than match preparation, casting a shadow over his season outlook. Coco Gauff later easily defeated Solana Sierra and, with Christian Harrison, won the mixed doubles to secure the tie for the U.S. Fritz withdrew from the mixed doubles to manage his knee.

News Article:

United Cup: Fritz Stunned by Báez as Injury Concerns Loom

Sydney, Australia – The United States’ United Cup defense got off to a shaky start as world No. 6 Taylor Fritz suffered a shock defeat to Argentina’s Sebastián Báez in their opening round-robin tie. Báez, ranked No. 45, rallied from a set and a break down to stun Fritz 4-6, 7-5, 6-4.

Fritz, who appeared to be in control early on, struggled with his second serve and couldn’t capitalize on break point opportunities. After the match, Fritz revealed he spent most of his off-season rehabbing a knee injury, hindering his preparation. “I didn’t get to play a lot of points,” he admitted, raising concerns about his fitness for the upcoming season. He admitted, “If that doesn’t work in a couple of months, then I am just going to have to full stop and fix it.”

Despite the setback, Coco Gauff delivered a dominant performance, defeating Solana Sierra 6-1, 6-1 to level the tie. Gauff and Christian Harrison later secured the victory for the U.S. by winning the mixed doubles match. Fritz withdrew from the mixed doubles as he continues to manage his knee injury.

While the United Cup offers a festive atmosphere, it serves as a crucial test for players ahead of the new season. For Fritz, the loss highlights the challenge he faces battling his knee injury and regaining match fitness. His performance this season hinges on his ability to manage the pain and rehab his knee.

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