Here are the latest calendar-year WTA Race to Istanbul standings as of September 30, 2013.
[1] Serena Williams (USA) – 11,040 [Q]
[2] Victoria Azarenka (BLR) – 7,671 [Q]
[3] Maria Sharapova (RUS) – 5,891 [Q]
[4] Agnieszka Radwanska (POL) – 5,560 [Q]
[5] Na Li (CHN) – 4,990 [Q]
[6] Sara Errani (ITA) – 4,170
[7] Petra Kvitova (CZE) – 4,040
[8] Angelique Kerber (GER) – 3,315
[9] Jelena Jankovic (SRB) – 3,220
[10] Marion Bartoli (FRA) – 3,173
