Serena Williams and Venus Williams will finish the year in the top-10 for the tenth time. It's the first time since 2010 that this has happened. The first time it happened was 16 years ago, from 1999 to 2004. Then in 2007 Serena finished No.

7 and Venus no.8, in 2008 when Serena was No. 6 and Venus No. 6, in 2009 when Serena was at the top of the ranking and Venus sixth. Last time it happened before this year was 2010. They"re also the fifth pair in WTA Rankings history to finish 10 years in the top-10 together.

Monica Seles/Aranxta Sanchez Vicario, Steffi Graf/Gabriela Sabatini and Martina Naveatilova/Steffi Graf did it ten times. Chris Evert and Martina Navratilova 'lead the list' with 15 times. Also Read: Venus Williams: ´If I Could, I Would Give My Win to Serena´. Vinci: ´Now It´s Time to Push Harder´