This week, Jannik Sinner further stamped his authority on men’s tennis by winning the ATP Tour Finals against Taylor Fritz. Elsewhere, the Billie Jean King Cup took center stage on the women’s tour and Nick Kyrgios announced his return to the sport.

Slovakia followed up its win over the United States with a 2-0 victory over Australia to reach the semifinals of the Billie Jean King Cup finals on Sunday. Rebecca Sramkova cruised to a 6-1, 6-2 win over Ajla Tomljanovic to clinch Slovakia the victory after Viktoria Hruncakova rallied to defeat Kimberly Birrell 7-5,

Italy returned to the championship match of the Billie Jean King Cup finals by outlasting Poland 2-1 in Monday's semifinal showdown in Malaga, Spain. Italy, which lost to Canada in last year's final,

Rafa Nadal will not dwell on his impending retirement at the Davis Cup Finals in Malaga and only focus on helping Spain claim the trophy this week should he be called into action, the 38-year-old said on Monday.

What He Did: Became the first man in 57 years to win an Australian Open final after dropping the first two sets. What He Said: “I just wanted to keep believing till the end. Final: Beat Novak Djokovic 6-0,

Rafael Nadal has been picked to play singles for Spain against the Netherlands at the Davis Cup Final 8 MALAGA, Spain — Rafael Nadal was picked to play singles for Spain against the Netherlands on Tuesday at the Davis Cup Final 8 ,