John Isner to announce shock retirement?

Isner created a stir on Wednesday when rumors have surfaced that his career was over.

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Sad news for Isner fans. Speculation had been rife that the American tennis player is about to announce his retirement from sports, at age 41, with immediate effect.

UPDATE 24/09/2026 : This story seems to be false. (read more)

Being a tennis player isn't fun anymore

“As we get older, there are phases of life that we enter into, and being a tennis player just isn't fun anymore,” he might have said, says a source who remained anonymous. Other reports hinted that he may branch out into other creative fields he is better at (and more interested in), though they didn't provide any details.

#ThankYouJohn

For a little while on Wednesday evening, #ThankYouJohn was a trending hashtag on Twitter. As many fans reminisce and look back on all the unforgettable memories, some may wonder what about now made him make the decision.

“John Isner was unlike any other tennis player we’ve ever seen! #ThankYouJohn”
— @universalObserver, 23 Sep 2026

“Isner wasn't retired?”
— @borisB0, 23 Sep 2026

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