Chris Evert warmed the hearts of tennis fans on Friday with a delightful message sent to tennis legend Billie Jean King thanking her for being a great mentor and friend.King had earlier taken to Twitter to shower praise on Evert on the 47th anniversary of her becoming the first-ever No. 1-ranked player on the WTA tour."Proud to call this legend, this champion, and this fighter my friend. Thinking of you, Chris Evert," King wrote.Billie Jean King@BillieJeanKingProud to call this legend, this champion, and this fighter my friend. Thinking of you, @ChrissieEvert. twitter.com/usopen/status/…US Open Tennis@usopenOn this day in 1975, Chris Evert becomes the first ever No. 1 ranked player in the @WTA. She would hold the No. 1 spot for a total of 260 weeks.50127On this day in 1975, Chris Evert becomes the first ever No. 1 ranked player in the @WTA. She would hold the No. 1 spot for a total of 260 weeks. https://t.co/KHskrqjuTJProud to call this legend, this champion, and this fighter my friend. Thinking of you, @ChrissieEvert. twitter.com/usopen/status/…Chris Evert went on to hold the No. 1 spot for a total of 260 weeks. The 67-year-old won 18 singles Majors during her career, which is the fifth-best in women's history. She won the second-most singles title in history (157), just 10 behind Martina Navratilova, and was the first woman to cross the 150 mark.Evert responded to King's tweet by saying she couldn't have asked for a better mentor and friend. "Love you, Billie Jean King I couldn't ask for a better mentor/ friend!" Chris Evert wrote.Chris Evert@ChrissieEvertLove u, @BillieJeanKing I couldn’t ask for a better mentor/friend! twitter.com/billiejeanking…Billie Jean King@BillieJeanKingProud to call this legend, this champion, and this fighter my friend. Thinking of you, @ChrissieEvert. twitter.com/usopen/status/…32211Proud to call this legend, this champion, and this fighter my friend. Thinking of you, @ChrissieEvert. twitter.com/usopen/status/…Love u, @BillieJeanKing I couldn’t ask for a better mentor/friend!❤️ twitter.com/billiejeanking…"Good luck to the next generation of tennis" - Billie Jean King King won 12 singles MajorsBillie Jean King recently conveyed her wishes to the participants of the 2022 Davis Cup Juniors and Billie Jean King Cup Juniors. "Good luck to the next generation of tennis. These juniors are so much fun to watch," she tweeted in response to a video by the International Tennis Federation (ITF) .The tournaments got underway in Antalya, Turkey, on November 1. Sixteen teams in both the boys' and girls' competitions will compete to find the next junior world champions.The ITF had earlier released a fun video on Twitter to mark the occasion."Ready to rule the world," the video was captioned.Billie Jean King@BillieJeanKingGood luck to the next generation of tennis.These juniors are so much fun to watch! twitter.com/ITFTennis/stat…ITF@ITFTennisReady to rule the world The 2022 Davis Cup Juniors and Billie Jean King Cup Juniors by BNP Paribas Finals are under way in Antalya, Turkey 452Ready to rule the world 🙌The 2022 Davis Cup Juniors and Billie Jean King Cup Juniors by BNP Paribas Finals are under way in Antalya, Turkey ✨ https://t.co/0PeFdjuhWYGood luck to the next generation of tennis.These juniors are so much fun to watch! twitter.com/ITFTennis/stat…Billie Jean King won a total of 39 Grand Slam titles during her illustrious career and is regarded as one of the greatest tennis players of all time. She was inducted into the International Tennis Hall of Fame in 1987. The Fed Cup and Fed Cup Juniors were renamed the Billie Jean King Cup and Billie Jean King Cup Juniors in honor of the legend.