Serena Williams defeated Jelena Jankovic 6-4 2-6 6-4 in the Istanbul semi-final on clay. The result followed the form book — Serena Williams came in leading the head-to-head 7–4, defending the title. Serena Williams extended the head-to-head to 8–4.
Williams S. came through in three sets.
Williams S. and Jankovic J. faced 19 of the same opponents in the last 12 months. Williams S. went 28–4 (88%) against them, Jankovic J. 16–9 (64%). Williams S. came out better against 7 of 18 comparable opponents, Jankovic J. against 2.
Clay: Williams S. leads 2–1 · Hard: Williams S. leads 6–3
Serena Williams beat Jelena Jankovic 6-4 2-6 6-4. Umpiry, "Serena Williams vs Jelena Jankovic — Istanbul Semi-final", https://umpiry.com/match/2013-10-26/jankovic-vs-williams-istanbul-sf?utm_source=cite (as of 26 October 2013).