Originally Posted by Cp6uja
According to this very good and useful research (I show here for every category just TOP15 and Ana), Ana very improve hers return game in 2013 compared to previous 2012 season - but there is no any real benefits from that fact simple because hers own serve performances was clearly worse than in 2012... so in general, she has almost copycat season despite all return improvements (but hers serve goes worse).
Thanks, Cp6uja. Does anyone have Ana's statistics from 2007-2008? I'd like to see how good Ana's service game used to be...