Janko Tipsarevic defeated Novak Djokovic 3-6 6-3 6-3 in the Tour Finals round robin on hard. The upset overturned the form book — Novak Djokovic came in leading the head-to-head 4–0, defending last year's semi-final. Janko Tipsarevic claimed a first win over Novak Djokovic in five meetings, narrowing the head-to-head to 4–1.
Tipsarevic J. came through in three sets.
Tipsarevic J. and Djokovic N. faced 8 of the same opponents in the last 12 months. Tipsarevic J. went 4–7 (36%) against them, Djokovic N. 15–3 (83%). Djokovic N. came out clearly better against 6 of 8 comparable opponents, Tipsarevic J. against 0 — though 3 of those edges carry caveats (lower-tier event, retirement).
Hard: Djokovic N. leads 2–1 · Carpet: Djokovic N. leads 1–0 · Grass: Djokovic N. leads 1–0