Ashleigh Barty has begun her 115th week at the top of the WTA rankings, while Anett Kontaveit jumped to a career-high of No. 6 after winning the St. Petersburg Ladies Trophy on Sunday.Barty is now only three weeks away from nudging past Justine Henin (117 weeks) and moving into seventh spot for the most weeks spent at World No. 1 in women's tennis history.The women's tour may have been criticized in the past for its lack of consistency at the top, but Barty has now been ranked No. 1 for 108 consecutive weeks (starting September 2019). The Australian holds a 2,632-point lead over Aryna Sabalenka.Barty and Sabalenka are followed in the WTA rankings by French Open champion Barbora Krejcikova (No. 3), Karolina Pliskova (No. 4). Paula Badosa (No. 5), and Kontaveit (+3 to No. 6).Anett Kontaveit sits at a career-high ranking of No. 6 in this week's WTA rankingsKontaveit defeated Maria Sakkari in a three-hour battle on Sunday to win her fourth consecutive title and her 20th consecutive match on indoor hardcourts. She joins Steffi Graf, Monica Seles, Lindsay Davenport, Henin and Jana Novotna as the only players to win 20 or more indoor matches in a row on the WTA tour since 1989.WTA Insider@WTA_insiderAnett Kontaveit wins her 20th straight indoor match and her 1st title of the season, coming from a break down in the 2nd and 3rd sets to defeat Maria Sakkari 57 76 75. Kontaveit is the 6th player since 1990 to win 20 or more consecutive indoor matches. wtatennis.com/news/2481433/s…10:13 AM · Feb 13, 202218844Anett Kontaveit wins her 20th straight indoor match and her 1st title of the season, coming from a break down in the 2nd and 3rd sets to defeat Maria Sakkari 57 76 75. Kontaveit is the 6th player since 1990 to win 20 or more consecutive indoor matches. wtatennis.com/news/2481433/s… https://t.co/l9bQVbfM2kGarbine Muguruza (-1 to No. 7), Sakkari (-1 to No. 8), Iga Swiatek (-1 to No. 9) and Ons Jabeur (No. 10) round out this week's top 10.Emma Raducanu climbs to career-high of No. 12 in latest WTA rankingsEmma Raducanu is up to No. 12 in the latest WTA rankingsDespite her absence from St. Petersburg, U.S. Open champion Emma Raducanu moved up one spot to No. 12, a career-high for the British teen. With players ranked above her dropping points from last season, Raducanu, who does not have any points to defend until Wimbledon, has seen her ranking climb from No. 23 after her US Open win to No. 12 despite her modest success since.Jessica Pegula jumped two spots to No. 14 while Jelena Ostapenko and Elise Mertens both climbed four spots to No. 21 and No. 22 respectively. This is former French Open champion Ostapenko's highest ranking since October 2018.Former Grand Slam winners Naomi Osaka and Sofia Kenin move up to No. 81 (+3) and No. 90 (+5) respectively. Meanwhle, Serena Williams is ranked No. 242 (+5) this week even as sister Venus sits at No. 466 (+1).