![French Open, Wimbledon, US Open and Australian Open to adopt new final-set tie-break rules and ensures Isner-Mahut record will never be eclipsed French Open, Wimbledon, US Open and Australian Open to adopt new final-set tie-break rules and ensures Isner-Mahut record will never be eclipsed](https://talksport.com/wp-content/uploads/sites/5/2022/03/e145bc9f-7b97-4577-a706-fc899fea84ac.jpg?strip=all&w=960&quality=40)
French Open, Wimbledon, US Open and Australian Open to adopt new final-set tie-break rules and ensures Isner-Mahut record will never be eclipsed
![Reilly Opelka and John Isner Play The Longest Men's Singles Tiebreaker Ever At The Dallas Open...Or Was It?!?! - World Tennis Magazine Reilly Opelka and John Isner Play The Longest Men's Singles Tiebreaker Ever At The Dallas Open...Or Was It?!?! - World Tennis Magazine](http://www.worldtennismagazine.com/wp-content/uploads/2022/02/BenBudCollins.jpg)
Reilly Opelka and John Isner Play The Longest Men's Singles Tiebreaker Ever At The Dallas Open...Or Was It?!?! - World Tennis Magazine
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