WTA - World No.1 Serena Williams starts #WTAFinals title defense with 64 64 win over Ivanovic! Extends WTA Finals win streak to 16 matches! Highlights--> http://wtafnls.com/U3p6aa | Facebook
![Serena Williams on her WTA Ranking: 'I don't even know where I am, but somewhere in the top 10' - Tennis365 Serena Williams on her WTA Ranking: 'I don't even know where I am, but somewhere in the top 10' - Tennis365](https://d2me2qg8dfiw8u.cloudfront.net/content/uploads/2019/09/06082004/Serena-Williams-pointing-from-PA.jpg)
Serena Williams on her WTA Ranking: 'I don't even know where I am, but somewhere in the top 10' - Tennis365
![Serena Williams playing against Anna-Lena Friedsam, at the ATP & WTA Internazionali BNL d'Italia Tennis tournament in Rome 2016 Stock Photo - Alamy Serena Williams playing against Anna-Lena Friedsam, at the ATP & WTA Internazionali BNL d'Italia Tennis tournament in Rome 2016 Stock Photo - Alamy](https://c8.alamy.com/comp/G18HFB/serena-williams-playing-against-anna-lena-friedsam-at-the-atp-wta-G18HFB.jpg)