![Wimbledon tennis tie-break rules explained: How new final-set decider for 2019 works | London Evening Standard | Evening Standard Wimbledon tennis tie-break rules explained: How new final-set decider for 2019 works | London Evening Standard | Evening Standard](https://static.standard.co.uk/s3fs-public/thumbnails/image/2019/06/24/14/nadalwimbledon2017.jpg?width=1200)
Wimbledon tennis tie-break rules explained: How new final-set decider for 2019 works | London Evening Standard | Evening Standard
![Matteo Berrettini celebrates winning the first set tie break during the Gentlemen's Singles final against Novak Djokovic on day thirteen of Wimbledon at The All England Lawn Tennis and Croquet Club, Wimbledon. Matteo Berrettini celebrates winning the first set tie break during the Gentlemen's Singles final against Novak Djokovic on day thirteen of Wimbledon at The All England Lawn Tennis and Croquet Club, Wimbledon.](https://c8.alamy.com/comp/2G75DFF/matteo-berrettini-celebrates-winning-the-first-set-tie-break-during-the-gentlemens-singles-final-against-novak-djokovic-on-day-thirteen-of-wimbledon-at-the-all-england-lawn-tennis-and-croquet-club-wimbledon-picture-date-sunday-july-11-2021-2G75DFF.jpg)
Matteo Berrettini celebrates winning the first set tie break during the Gentlemen's Singles final against Novak Djokovic on day thirteen of Wimbledon at The All England Lawn Tennis and Croquet Club, Wimbledon.
![History made as Wimbledon sees first deciding tie-break at 12-12… but it is bad news for Brit Salisbury History made as Wimbledon sees first deciding tie-break at 12-12… but it is bad news for Brit Salisbury](https://www.thesun.co.uk/wp-content/uploads/2019/07/NINTCHDBPICT000504263080.jpg)
History made as Wimbledon sees first deciding tie-break at 12-12… but it is bad news for Brit Salisbury
![Amelie Mauresmo from France takes the first set tie-break from the defending champion Serena Williams from the USA in the semi-final of the Ladies' Singles tournament of The Lawn Tennis Championships at Amelie Mauresmo from France takes the first set tie-break from the defending champion Serena Williams from the USA in the semi-final of the Ladies' Singles tournament of The Lawn Tennis Championships at](https://c8.alamy.com/comp/2D33KRP/amelie-mauresmo-from-france-takes-the-first-set-tie-break-from-the-defending-champion-serena-williams-from-the-usa-in-the-semi-final-of-the-ladies-singles-tournament-of-the-lawn-tennis-championships-at-wimbledon-london-editorial-use-only-no-mobile-phone-use-2D33KRP.jpg)