What is your take on another option on the best-of-five Grand Slam matches for men: best three out of four sets and if the match is tied 2–2 then use the 10-point tiebreaker. Same ending as if it's five sets without having to play a fifth set.

MELBOURNE, Australia (AP) — Australian Open women's champion Madison Keys returned to her career-best ranking on Monday and joins three other American women in the WTA top 10, while men's champion Jannik Sinner maintained his significant lead atop the ATP list.

Madison Keys returned to her career-best No.7 in the latest WTA rankings after winning the Australian Open. Keys joined fellow Americans Coco Gauff, Jessica Pegula, and Emma Navarro in the top 10. Jannik Sinner remained at the top of the ATP rankings.