![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
![Wimbledon to Introduce Final Set Tie-Break From 2019: Decision Comes After John Isner-Kevin Anderson's Record 6.5 Hours Semi-Finals in 2018 | India.com Wimbledon to Introduce Final Set Tie-Break From 2019: Decision Comes After John Isner-Kevin Anderson's Record 6.5 Hours Semi-Finals in 2018 | India.com](https://static.india.com/wp-content/uploads/2018/10/19-5.jpg?impolicy=Medium_Resize&w=1200&h=800)
Wimbledon to Introduce Final Set Tie-Break From 2019: Decision Comes After John Isner-Kevin Anderson's Record 6.5 Hours Semi-Finals in 2018 | India.com
![Reilly Opelka wins the longest tie-break in ATP tour history to overcome John Isner in the Dallas Open semi-finals - Eurosport Reilly Opelka wins the longest tie-break in ATP tour history to overcome John Isner in the Dallas Open semi-finals - Eurosport](https://imgresizer.eurosport.com/unsafe/2560x0/filters:format(jpeg)/origin-imgresizer.eurosport.com/2022/02/13/3315309-67786448-2560-1440.jpg)