![Grand Slams to unify final-set tiebreak rules with 10-point tiebreak at 6-6 %%page%% - Tennis Majors Tennis: Grand Slams unify tiebreak rules Grand Slams to unify final-set tiebreak rules with 10-point tiebreak at 6-6 %%page%% - Tennis Majors Tennis: Grand Slams unify tiebreak rules](https://assets.tennismajors.com/app/uploads/2020/07/26024924/panoramic_00038941_000019-1.jpg)
Grand Slams to unify final-set tiebreak rules with 10-point tiebreak at 6-6 %%page%% - Tennis Majors Tennis: Grand Slams unify tiebreak rules
![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)
Reilly Opelka wins the longest tie-break in ATP tour history to overcome John Isner in the Dallas Open semi-finals - Eurosport
![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)