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.

Italian Olympic gold medalists Sara Errani and Jasmine Paolini beat Katarzyna Kawa and Iga Swiatek to secure a hard-fought, thrilling 2-1 victory over Poland on Monday and send Italy into the Billie Jean King Cup final for the second consecutive year.

Italy are into the final of the Billie Jean King Cup for the second straight year after beating Poland 2-1, thanks to Jasmine Paolini's inspired display.